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The Charles Machine Works Inc
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The Charles Machine Works Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | The Charles Machine Works Inc-related inventors


Ground-engageable attachment for a vehicle

A work machine is formed from a self-propelled land travel vehicle and an attachment. The vehicle and attachment have interlocking coupling assemblies. The attachment has a positioning arm, a pivot fixture and a ground-engageable frame. The positioning arm and frame allow the attachment to pivot about the pivot fixture to... The Charles Machine Works Inc

Collar with stepped retaining ring groove

An assembly for a torque-transmitting connection in an inner pipe string of a dual-member drill string is formed from a collar, a retaining ring, and an inner pipe member. An endless internal groove having adjacent shallow and deep sections is formed in the collar. Formed in the inner pipe member,... The Charles Machine Works Inc

Trenching system

A system for uncovering and sealing a narrow trench. The system comprises several subsystems, including a work machine, a frame for providing a seal with the surface to be trenched, a saw blade, a vacuum system, a system for placing product, and a resealer. The blade includes rotatable tooth bits,... The Charles Machine Works Inc

Trenching assembly

A trenching assembly used to cut a narrow trench in the ground surface. The trenching assembly comprises an attachment frame connected to a hood assembly via a linkage assembly. The attachment frame may be attached to the rear end of a work machine. A rotatable blade is disposed within a... The Charles Machine Works Inc

Reamer with replaceable rolling cutters

A reamer for use in underground drilling back-reaming operations. The reamer comprises a body comprising a plurality of pockets. The pockets are configured such that an arm, a rolling cutter, and a retainer may fit within each of the pockets. Each of the rolling cutters is connected to each of... The Charles Machine Works Inc

Trenching system with hydraulically adjustable hub

A system for uncovering a trench. The system comprises several subsystems, including a work machine and a frame for providing a seal with the surface to be trenched with a saw blade contained therein. The blade is supported on a hub which is slidably movable relative to the frame by... The Charles Machine Works Inc

Airborne locator of an underground object

A system for locating an underground line. The system uses a self-propelled autonomous antenna, processor and propulsion system. The antenna detects a magnetic field from an underground line and generates an antenna signal. The processor is programmed to receive the antenna signal and generate a command signal. The propulsion system... The Charles Machine Works Inc

Vacuum system

A vacuum system for use in excavation operations. The system uses a tank having an open end that is closed by a door. The door is opened and closed by a door lifting assembly made up of an upper linkage arm, a lower linkage arm and a hydraulic cylinder. A... The Charles Machine Works Inc

Drilling fluid reclaimer

The present invention is directed to a drilling fluid reclaimer. The reclaimer has at least one adjustable screen assembly for providing a leveling filter for reclaimed drill fluid. Used drill fluid is placed at the screen assembly at the front the of the screen assembly. The at least one screen... The Charles Machine Works Inc

Method and system for guiding a downhole tool underground

A system for tracking and guiding a downhole tool underground along a desired borepath. GPS measurements are taken by a GPS unit at desired waypoints on the ground surface that overlays the desired borepath. A planned route for the downhole tool to follow underground is generated from the GPS measurements... The Charles Machine Works Inc

Pullback assembly

A drill string with a bit at one end is used to dig an underground borehole. When the drill string exits the borehole at a surface exit point, a pullback adapter is used to interconnect the bit with an above-ground utility line. A drilling rig retracts the drill string from... The Charles Machine Works Inc

Object detection system and method

A detection system used to alert an operator of a work machine of humans or objects dangerously close to the machine or a work tool attached to the machine. The detection system uses one or more cameras to capture images of an area surrounding the machine. The captured images are... The Charles Machine Works Inc

Trench filling machine

The present invention is directed to a machine for filling a trench. The machine comprises a tub, release assembly, and a hopper. The tub mixes a material to be filled into the trench. The release assembly releases the material into the hopper and the material flows from the hopper and... The Charles Machine Works Inc

Tracked vehicle

A track system for steerable vehicles having at least one axle. The track system is capable of adjusting to changes in terrain by pivoting in clockwise and counterclockwise directions relative to an axle assembly as the vehicle moves across the ground. The pivotal movement of the track system relative to... The Charles Machine Works Inc

Pipe storage box

A pipe handling device and method for use with a horizontal directional drilling system. The pipe handling device stores sections of drill pipe in individual columns within a magazine. The magazine is constructed so that it can be mounted to a boring machine in a pin-up or pin-down orientation. A... The Charles Machine Works Inc

Valve assembly for work attachment

A hydraulic control for an attachment on a work vehicle. The attachment is mounted on the chassis of the work vehicle and movable between a first position and a second position. A hydraulic cylinder is operable to power movement of the attachment. A fluid circuit communicates with the hydraulic cylinder... The Charles Machine Works Inc

Makeup and breakout system for horizontal directional drilling

A horizontal directional drill has a wrench assembly and a lubricant application assembly. The wrench assembly operates to make-up and break out pipe segments from a drill string while the lubricant application assembly applies lubricant to the pipe joints. The wrench assembly has a rotatable wrench and a stationary wrench... The Charles Machine Works Inc

Hydraulic control system

A hydraulic control for an attachment on a work vehicle. Power is provided to the attachment by manually actuating a control lever that is biased toward a first position. This first position corresponds to a deactuated mode of the attachment. By unlocking a lock mechanism, the lever may be maintained... The Charles Machine Works Inc

Trenching assembly

An apparatus for cutting a trench is formed from a housing and a cutting assembly at least partially positioned within the housing. The cutting assembly has a cutting wheel and a plurality of teeth extending from the periphery of the cutting wheel. The cutting wheel features a plurality of layers... The Charles Machine Works Inc

Slide cartridge

A slide cartridge having a base member and a channel defined by a pair of opposed walls. The walls extend from the base member and are configured to partially cover the rail of a horizontal directional drilling machine. The slide cartridge is supported on a carriage that is movable between... The Charles Machine Works Inc

Sprocket with offset mud relief

A sprocket having one or more mud relief portions offset from the midpoint between adjacent teeth. The sprocket has a plurality of teeth, and saddle sections disposed on the periphery of the sprocket between each of the plurality of teeth. The saddle has a seat disposed at a midpoint between... The Charles Machine Works Inc

Underground guidance using above-ground mesh network

A tracking system for communicating a location of a beacon in order to drill a bore path. The beacon is carried by a drill string in a drilling operation. Above-ground trackers are arranged in a path to define an intended underground bore path. The trackers form a multi-node mesh network... The Charles Machine Works Inc

Tracker with electronic compass and use

An underground signal transmitter is located near a drill bit on a downhole tool. An above-ground tracker determines the relative orientations of the transmitter and tracker. The tracker also has a compass for determining the tracker's orientation relative to magnetic north. A central processing unit within the tracker uses compass... The Charles Machine Works Inc

Method and system for monitoring bend and torque forces on a drill pipe

A system and method for monitoring bend radius and torque force exerted on a drill string. A sensor system is supported within a pipe section of the drill string and has a light source supported within the pipe section to emit a light beam within the pipe section. An optical... The Charles Machine Works Inc








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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 The Charles Machine Works 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 The Charles Machine Works Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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