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Graco Minnesota Inc patents


Recent patent applications related to Graco Minnesota Inc. Graco Minnesota Inc is listed as an Agent/Assignee. Note: Graco Minnesota Inc may have other listings under different names/spellings. We're not affiliated with Graco Minnesota Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "G" | Graco Minnesota Inc-related inventors


 new patent  Electric line striper with inverter

A line striper includes a frame supported by a plurality of wheels, a spray gun supported by the frame and positioned for ground spraying, a pump for supplying line striping fluid to the spray gun, the pump supported by the frame, an electric motor for driving the pump, the motor supported by the frame, a motor control attached to the motor and electrically connected to the motor, an inverter electrically connected to the motor control, the inverter supported by the frame, a first battery electrically connected to the inverter, the first battery supported by the frame, and a power switch electrically connected to the inverter, the motor control, and the first battery, the power switch supported by the frame.. . ... Graco Minnesota Inc

 new patent  Electric line striper

A line striper for ground marking with a sprayable fluid includes a horizontal frame, a front wheel mounted to the horizontal frame, a left rear wheel and a right rear wheel mounted to the horizontal frame, a rear axle extending from one or both of the left rear wheel and the right rear wheel, a mounting arm assembly connected to the horizontal frame, a spray gun mounted on the mounting arm assembly and positioned for spraying the ground, a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun, and a fluid reservoir support stage removably positioned over the horizontal frame.. . ... Graco Minnesota Inc

Remote monitoring for fluid applicator system

In one embodiment, a remote monitoring system for a fluid applicator system is disclosed. The fluid applicator system is disposed to heat and pump spray fluid, and to transmit reports including sensed temperatures, pressures, and other operational parameters of the fluid applicator system via a wireless network. ... Graco Minnesota Inc

Handheld fluid meter

A wireless metered fluid dispenser brings discrete fluid dispense events inside of a fluid management system. The wireless metered fluid dispenser allows a customer to visually confirm the fluid being dispensed and provides automatic tracking of the fluid dispense event within a wireless tracking system. ... Graco Minnesota Inc

Spray tip

A spray tip includes a body portion with an aperture extending through the body portion from an aperture inlet to an aperture outlet, and a handle portion attached to the body portion. The handle portion is configured to rotate the body portion. ... Graco Minnesota Inc

Wet abrasive blasting system and method

Wet abrasive blasting systems are described that have a slurry piping system and a gas piping system that have pipes and other piping components, such as valves and regulators, that have a more consistent internal cross-sectional area than conventional wet abrasive blasting systems. The more consistent flow area provides astonishing improvements in blasting efficiency and consistent and predictable slurry flow rates.. ... Graco Minnesota Inc

Pressure-fed accessories adapter for an airless spray gun

A spray gun adapter establishes fluid communication between a fluid pump of a handheld airless spray gun and an applicator accessory. The adapter comprises an adapter body, a head attached to the adapter body, and a protrusion. ... Graco Minnesota Inc

Spray system pump wash sequence

A method for a system having a plurality of primary fluid sources and a fluid output with a common pump includes halting pumping of a first fluid, isolating the common pump from the fluid output and the primary fluid sources, connecting an inlet of the common pump to a solvent source and a compressed air source, and an outlet of the common pump to a waste fluid dump, filling the common pump with a first purge volume of solvent, cycling the common pump in a flush mode, operating the common pump in a timed flow mode, and connecting an inlet of the common pump to a second primary fluid source, and an outlet of the common pump to the output line, and starting pumping of a second fluid from the second primary fluid source through the output line.. . ... Graco Minnesota Inc

Diaphragm seal injector

A lubricant injector includes a housing and a metering section attached to the housing. The housing includes a body and a metering cylinder extending from the body. ... Graco Minnesota Inc

Vent valve

A vent valve for an actuator disposed in a lubricant reservoir includes a bore extending through the plate, a seal disposed within the bore proximate a top surface of the plate, a retaining member extending about a lower opening of the bore, and a ball disposed within the bore between the seal and the retaining member. The vent valve is configured to allow air to pass from a lower portion of a lubricant reservoir as lubricant fills the lower portion. ... Graco Minnesota Inc

Reservoir overfill protection

A protection mechanism for a lubricant reservoir is mounted within a valve protection chamber disposed on an actuator. The protection mechanism includes a valve actuating plate and an elastic member biasing the valve actuating plate upwards. ... Graco Minnesota Inc

Lubrication injector with energy harvesting

A system for harvesting energy from a lubrication event includes a fluid pump, a fluid injector, an energy harvesting device, a wireless transmitter, and a controller unit. The fluid injector receives fluid from the fluid pump. ... Graco Minnesota Inc

Plural component proportioner

A two-component pumping system includes a first pump for pumping a first component, a second pump for pumping a second component, a motor, and a yoke assembly for connecting the motor to the first pump and the second pump and driving them simultaneously. The first pump includes a first displacement rod that reciprocates in a first pump axis. ... Graco Minnesota Inc

Flow regulating pump, system and method

A regulator pump provides disconnects an inflow from an outflow, such that a downstream pressure is unaffected by an upstream pressure. The regulator pump receives a fluid through an input valve, while an output valve remains in a closed position. ... Graco Minnesota Inc

04/19/18 / #20180104854

Flat fan spraying apparatus for the dispensing of ultra-high fast set two component materials

In an air-operated plural component mixing and dispensing assembly, including a sliding mixing and dispensing element that forms, with a pair of component inlet blocks, the valves controlling the mixing and dispensing of the plural component materials, the mixing and dispensing element includes a rearward part and a forward part which together form a mixing chamber, with admission passages for the plural components to be mixed in the rearward part and a dispensing orifice for mixed plural component material in the forward part, also including a shaping air assembly with an air inlet, a nozzle air manifold with internal air passageways to one or more impinging air outlets, wherein the shaping air assembly is configured to shape the spray pattern of the dispensed plural component material hydrostatically.. . ... Graco Minnesota Inc

04/12/18 / #20180100620

Centerfill of lubricant reservoir

A centerfill assembly for a lubricant reservoir includes a hollow tube for receiving lubricant from the top of the reservoir and loading the lubricant into the reservoir near the bottom of the reservoir. Loading the lubricant near the bottom of the reservoir introduces lubricant near where the stirring paddles mix the lubricant and near where the lubricant is loaded to the lubricant pump. ... Graco Minnesota Inc

03/15/18 / #20180071761

Piston-valve engagement in fluid sprayers

A pump draws fluid from a reservoir and drives the fluid downstream to a spray tip where the fluid is applied to a surface. A piston is driven in a reciprocating manner to pump the fluid. ... Graco Minnesota Inc

01/18/18 / #20180017047

Box lubrication pump

A box lubricator that includes a pump with a piston housing and piston. The piston housing extends from a first end to a second end, and includes a bore extending through the piston housing from the first end of the piston housing to the second end of the piston housing. ... Graco Minnesota Inc

01/18/18 / #20180017046

Box lubrication pump

A box lubricator that includes a pump with a piston housing and piston. The piston housing extends from a first end to a second end, and includes a bore extending through the piston housing from the first end of the piston housing to the second end of the piston housing. ... Graco Minnesota Inc

01/04/18 / #20180001333

Electro-hydraulic actuated spray guns

An electro-hydraulic actuation system for a sprayer comprises a hydraulic system, a hydraulic actuator, an electric actuator and a sprayer. The hydraulic system is for pressurizing a hydraulic fluid. ... Graco Minnesota Inc

11/23/17 / #20170334036

Vapor abrasive blasting system with closed loop flow control

A blasting system includes a pressure vessel, water pump, blast circuit, motor, orifice valve, and controller. The pressure vessel is configured to contain a pressurized blast media slurry. ... Graco Minnesota Inc

11/23/17 / #20170333927

Plural component dispensing system

First and second fluid components are individually pumped to a device from first and second pumps. A first volumetric flow rate of the first fluid component discharged from the first fluid component is measured. ... Graco Minnesota Inc

11/23/17 / #20170333923

Bellows fluid seal

A bellow seal of a fluid dispensing system is disclosed. The bellow seal having a generally circular cross section includes a first end having a first diameter. ... Graco Minnesota Inc

11/23/17 / #20170333859

Multi-dispenser plural component dispensing system

A plural component dispensing system individually delivers separate material components to each of a plurality of proportioners. Each of the proportioners regulates volumetric flow of each of the separate material components to produce a target ratio of the separate material components associated with the proportioner. ... Graco Minnesota Inc

11/16/17 / #20170326563

Paint can adapter for handheld spray device

An adapter allows direct connection of a handheld spray device to paint cans of varying dimensions. The adapter includes a cage for holding the paint can, a cap that connects the cage to the handheld spray device, and a gasket that seals the open upper end of the paint can to the cap. ... Graco Minnesota Inc

10/12/17 / #20170292506

Paint sprayer pump cartridge

A fluid dispensing system includes a motor housing and a piston pump assembly connected to the motor housing. A motor is mounted within the motor housing. ... Graco Minnesota Inc

10/05/17 / #20170284550

Adjustable stop for check valve

A check valve comprises a housing, a fluid passage, a seat, a valve member and a stop. The fluid passage extends through the housing. ... Graco Minnesota Inc

10/05/17 / #20170284041

Control system for self-propelled line striper

A line striping system comprises a chassis, wheels, a spray system, a propulsion system and a steering system. The wheels are mounted under the chassis. ... Graco Minnesota Inc

09/28/17 / #20170277205

Plural component ratio monitoring and control

A plural component dispensing system includes at least one compressed gas pneumatically connected to supply pressurized gas to each of a first pressure vessel that discharges a first fluid component and a second pressure vessel that discharges a second fluid component. Each of the first fluid component and the second fluid component is supplied from the respective pressure vessel through individual flow meters to a device. ... Graco Minnesota Inc

09/28/17 / #20170274501

Wet abrasive blasting system with self-venting assembly

The invention is directed toward wet-abrasive blasting systems used for cleaning, preparing surfaces, removing coatings, and other abrasive blasting applications. The wet abrasive basting system has a blast pot that includes a venting system. ... Graco Minnesota Inc

09/28/17 / #20170274413

Operator interface device for a plural component dispensing system

A plural component dispensing system includes a dispensing device, first and second fluid component sources, a system controller, and an operator interface device. The first fluid component source is connected to the dispensing device to deliver the first fluid component to the dispensing device. ... Graco Minnesota Inc

08/24/17 / #20170239678

Quick release solenoid assembly

A retaining system for a solenoid assembly of a liquid adhesive dispensing system includes a quick-release mechanism configured to secure the solenoid assembly in place. The quick-release mechanism engages an air tube of the solenoid and thereby secures the entire solenoid assembly to a manifold. ... Graco Minnesota Inc

08/24/17 / #20170239675

On-demand high volume, low pressure spray system

Various embodiments concern a sprayer having a blower that outputs a hvlp flow of air into a hose, the hose connecting with a spray gun. A pressure sensor measures pressure of the hvlp air within the hose via a tube that branches from a fitting to which the hose connects. ... Graco Minnesota Inc

08/17/17 / #20170234577

Internally heated hose

A temperature control unit includes a fitting, a heating wire, a first temperature sensor, and a housing, which contains the first temperature sensor and portions of the fitting and the heating wire. The fitting includes a fluid inlet, a fluid outlet, a flow channel extending from the fluid inlet to the fluid outlet, and a passage extending through a wall of the fitting to the flow channel. ... Graco Minnesota Inc

08/10/17 / #20170227001

Fluid pump leakage diversion

A piston rod assembly includes a piston rod having a first end configured to contact fluid, a packing retainer through which the piston rod extends, and one or more packing rings. The packing retainer includes one or more leakage ports forming passageways between an inner surface and an outer surface of the packing retainer. ... Graco Minnesota Inc

08/10/17 / #20170226999

Flushable pump fluid chamber

A fluid cover for a displacement pump includes an inlet and an outlet oriented to provide desired flow characteristics to fluid entering a fluid chamber defined between the fluid cover and a diaphragm. The inlet is positioned to provide fluid to the fluid chamber at an oblique angle relative to the fluid cover. ... Graco Minnesota Inc

08/03/17 / #20170219107

Cartridge style ball check for positive displacement pump

A check valve assembly includes a housing extending axially along a center axis of the check valve assembly from a first end to a second end. The housing can include an opening disposed at the first end and an outlet disposed at the second end. ... Graco Minnesota Inc

08/03/17 / #20170218579

Modular screed box

A screed box includes a screed bucket, a screed plate mount attached to the screed bucket, a screed plate slidably connected to the screed plate mount and a screed bar attached to a bottom of the screed bucket. The screed plate mount includes a sealing edge. ... Graco Minnesota Inc

08/03/17 / #20170216873

Apparatus and method for forming microbubbles in a mixed multi-component reactive material

An apparatus for preparing a liquid material containing microbubbles includes a dispensing nozzle and a first positive displacement gas pump. The dispensing nozzles includes a material mixing channel, a rotary gas diffuser positioned in the material mixing channel, and a rotary mixer positioned in the material mixing channel downstream of the rotary gas diffuser. ... Graco Minnesota Inc

07/27/17 / #20170211568

Hose bracket for texture sprayer

A peristaltic pump comprises a drive assembly, a hose pump, and a hose bracket. The drive assembly is rotatably disposed within a frame to move a roller along a pumping path with respect to the frame. ... Graco Minnesota Inc

07/27/17 / #20170209880

Flow-based control for texture sprayer

A texture sprayer comprises an air compressor, a motor, a spray gun, an airflow switch, and a pressure switch. The air compressor is disposed to send the pressurized gas down a pneumatic line, and is driven by the motor. ... Graco Minnesota Inc

07/20/17 / #20170204572

Mounting clamp for line striper sprayer

A line stripe includes a frame, a mounting arm extending from the frame, a g-shaped clamp, a vertical bar, an extension bar, and a spray gun. The g-shaped clamp has an opening through which the mounting arm is able to extend and a fastener configured to secure the mounting arm within the opening. ... Graco Minnesota Inc

07/20/17 / #20170204571

Spray control system for line striper sprayer

A line striper having a spray control system includes a spray gun, a lever, first and second cables, a manual actuator, and an assisted control. The lever is configured to move between a spray position and an inactive position. ... Graco Minnesota Inc

07/20/17 / #20170204570

Wheel alignment for line striper

A line striper comprises a sprayer secured to a frame, and a guided wheel assembly rotatably mounted to the frame. The guided wheel assembly includes an adjustment disk with screw notches along its outer diameter, an alignment plate coaxially surrounding and abutting the adjustment disk, alignment screws threaded through the alignment plate to engage screw notches on the adjustment disk, and an antirotation lock. ... Graco Minnesota Inc

07/13/17 / #20170198690

Piston rod having cap recess

A piston rod for pumping paint includes an elongated cylindrical stem and a piston rod cap connected to the cylindrical stem. The cylindrical stem is formed from metal and has an outer diameter that is uniform along most or all of a length of the cylindrical stem. ... Graco Minnesota Inc

07/13/17 / #20170198688

Integrated pump guard and control interlock

A paint sprayer includes an end bell, a motor connected to the end bell, a pump drive connected to the end bell, a pair of protrusions attached to an extending from the end bell such that each protrusion is cantilevered from the end bell, and a pump assembly comprising a pair of mounting holes and containing a piston. The pair of mounting holes is adapted to receive and slide onto the pair of protrusions to mount the pump assembly on the end bell as well as slide off of the pair of protrusions to remove the pump assembly from the end bell. ... Graco Minnesota Inc

07/06/17 / #20170191563

Rotating piston for pumps

A piston is the driven component within a pump. The piston is driven along a longitudinal axis to pump a fluid through the pump. ... Graco Minnesota Inc

07/06/17 / #20170191478

Fluted piston components for pumps

A piston rod and piston head are the driven components within a pump. An upstream end of the piston rod is attached within an aperture of the piston head. ... Graco Minnesota Inc

07/06/17 / #20170191474

Method of pulselessly displacing fluid

A method of displacing fluid includes pulling a pump displacement member through a suction stroke with a pull, the pull configured to transmit only tensile forces to the fluid displacement member. A working fluid disposed in an internal pressure chamber drive the fluid displacement member through a pumping stroke. ... Graco Minnesota Inc

06/29/17 / #20170185098

Quick disconnect screed box handle

A quick disconnect handle assembly includes a handle and a handle mount. The handle includes a shaft, a spring, and a pin at or near an end of the shaft and configured to restrain movement of the spring in a first direction. ... Graco Minnesota Inc

06/29/17 / #20170182505

Impeller for electrostatic spray gun

An alternator, such as for use in an electrostatic spray gun, comprises an electromagnetic alternator, a housing and an impeller. The electromagnetic alternator has a shaft. ... Graco Minnesota Inc

06/22/17 / #20170175913

Shock absorbing and wear resistant ball check seat for abrasive media

A check valve includes a ball and a seat. The seat includes a body and a hole extending through the body. ... Graco Minnesota Inc

06/22/17 / #20170175734

Bellows anti-rotation construction

A reciprocating pump includes a housing, a rod, and a bellows. The housing surrounds a bellows chamber and a displacement chamber. ... Graco Minnesota Inc

06/22/17 / #20170175733

Internal bellows bearing

A reciprocating pump includes a housing, a rod, a bellows, and a bearing. The housing surrounds a bellows chamber and a displacement chamber. ... Graco Minnesota Inc

06/22/17 / #20170175728

Bellows pressure relief valve

A valve for a reciprocating pump includes a housing, a first chamber, a second chamber, a first valve element, and a second valve element. The housing includes an inlet and an outlet. ... Graco Minnesota Inc

06/22/17 / #20170175727

Bellows installation and retention method

A reciprocating pump includes a housing, a rod, a sleeve, a bellows, and a nut. The housing includes a bellows chamber and a working chamber. ... Graco Minnesota Inc

06/22/17 / #20170173608

Electrostatic spray gun having external charge points

An electrostatic spray apparatus includes an electrostatic spray gun having a first external surface and a second external surface. A first electrode is disposed on the first external surface and is configured to ionize a material and to generate a first electrical field between the first electrode and a grounded object. ... Graco Minnesota Inc

06/15/17 / #20170165692

Portable airless sprayer

A fluid dispensing device comprises a housing body, a fluid container, a reciprocating piston fluid pump, a primary drive element and a spray tip. The housing body is configured to be carried and supported by an operator of the hand held airless fluid dispensing device during operation. ... Graco Minnesota Inc

03/16/17 / #20170072410

Spray tip and method of manufacture

A spray tip comprises a tip body, a tip piece, and a pre-orifice piece. The tip body has a fluid channel along a channel axis (ac). ... Graco Minnesota Inc

03/02/17 / #20170056909

Electrostatic discharge control and isolation system for spraying systems

A fluid dispensing device includes an electrostatic discharge protection system. Accumulation and discharge of electrostatic energy created by operation of the device is reduced or prevented by the electrostatic discharge protection system without an earth ground connection. ... Graco Minnesota Inc

02/23/17 / #20170051738

Packing stacks for piston pumps

A packing or seal stack for a pump includes alternating first type and second type packing rings of polymer material such as ultrahigh molecular weight polyethylene (uhmwpe). The first and second type packing rings have essentially identical geometry, and the second type packing rings are lubricant filled polymer material. ... Graco Minnesota Inc

02/16/17 / #20170043366

Method for flow control calibration of high-transient systems

A method of controlling a flow rate includes selecting an operating condition defined by an operating flow rate and an operating pressure, comparing the operating flow rate to a threshold flow rate, and executing an adaptive calibration routing if the operating flow rate is greater than or equal to the threshold flow rate. The adaptive calibration routine includes measuring the operating pressure, measuring a first flow rate through a first meter, and modifying a pressure-flow table based on the operating pressure and the first flow rate.. ... Graco Minnesota Inc

02/16/17 / #20170043359

Method for fluid pressure control in a closed system

A method for controlling a system pressure within a closed system includes sending a signal to a pressure control valve corresponding to a pressure set point and actuating the pressure control valve to vary a pilot pressure of a control fluid contained within a pressure control line that is fluidly connected to a pressure regulator. A diaphragm of the pressure regulator is disposed between the pressure control line and a system line and acts on a fluid with the system line to modify the system pressure.. ... Graco Minnesota Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Graco Minnesota Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Graco Minnesota Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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