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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


Horizontal directional drill pipe drive connection with locking feature

The present invention is directed to a spindle assembly for connecting a drill string to a rotational drive for use in a horizontal directional drilling operation. The assembly comprises a saver sub attached to the rotational drive, and a drive chuck for connection to the drill string. ... The Charles Machine Works Inc

Hydraulic flow manifold for attachments

A work vehicle is formed from a plurality of ground-contacting motive elements, a chassis, an operator station, a switch, and a hydraulic manifold. The operator station has a joystick having a manually-actuable control element used to actuate the switch. ... The Charles Machine Works Inc

Angular offset drilling tool

An angular offset tool for directionally drilling an underground borehole is formed from a collar, a housing, and a wedge. The collar and the housing are joined by a ball-and-socket connection. ... The Charles Machine Works Inc

Track tensioner

A track assembly is formed from a frame, first and second idler wheels, an endless track, and a tensioning assembly. The track is stretched around the wheels. ... The Charles Machine Works Inc

Apparatus for securing a tire to a wheel

A beadlock to secure a tire to a wheel. The beadlock comprises a first grip element and a second grip element. ... The Charles Machine Works Inc

Apparatus for sealing a vacuum tank door

An apparatus for sealing a vacuum tank door. The apparatus comprises a circular flange attached to a door panel of a vacuum tank, a horizontal crossbar connected to the center of the door panel and a lifting assembly. ... The Charles Machine Works Inc

Dual member pipe joint for a dual member drill string

A dual member drill string having a plurality of dual member drill string sections for use in horizontal directional drilling operations. Each drill string section having an outer member and an inner member that is rotatable independently of the outer member. ... The Charles Machine Works Inc

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 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. ... 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 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 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 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 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. ... The Charles Machine Works Inc

08/10/17 / #20170226805

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. ... The Charles Machine Works Inc

07/27/17 / #20170211337

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. ... The Charles Machine Works Inc

07/06/17 / #20170191243

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 Charles Machine Works Inc

06/29/17 / #20170183844

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 Charles Machine Works Inc

06/15/17 / #20170166270

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 Charles Machine Works Inc

06/08/17 / #20170159379

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 Charles Machine Works Inc

06/01/17 / #20170152646

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. ... The Charles Machine Works Inc

05/11/17 / #20170130540

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 Charles Machine Works Inc

05/04/17 / #20170123447

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. ... The Charles Machine Works Inc

04/13/17 / #20170101832

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 Charles Machine Works Inc

04/13/17 / #20170101746

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 Charles Machine Works Inc

03/16/17 / #20170074383

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 Charles Machine Works Inc

01/26/17 / #20170023421

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. ... The Charles Machine Works Inc

01/26/17 / #20170022800

Tracker with electronic compass and method of 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 Charles Machine Works Inc

01/26/17 / #20170022799

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. ... The Charles Machine Works Inc








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