The Charles Machine Works, Inc.

United States of America


Create a watch for The Charles Machine Works, Inc.
Total IP 404
Total IP incl. subs 406 (+ 2 for subs)
Total IP Rank # 3,255
IP Activity Score 3.1/5.0    205
IP Activity Rank # 3,307
Dominant Nice Class Machines and machine tools

Patents

Trademarks

292 60
3 15
13 16
5
 
Last Patent 2025 - Microtrencher blade
First Patent 1974 - Stabilizer foot for backhoes and...
Last Trademark 2024 - A AMERICAN AUGERS
First Trademark 1974 - DITCH WITCH

Subsidiaries

2 subsidiaries with IP (2 patents, 0 trademarks)

1 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Fretting-wear resistant beacon lid. A connection system for a lid in a beacon housing. The lid i...
Invention Offloading vacuum tank. An offloading vacuum system. The system has a tank to capture debris fro...
Invention Track tensioning system. A track tensioning system configured to automatically adjust and mainta...
Invention Apparatus for capturing axial force on an inner drive member. A spindle with a mechanism for tra...
Invention Drilling machine attachment for loader. A drill attachment for a work machine. The attachment ha...
2024 Invention Jaw engagement assist system. A cable gripping assembly. The gripping assembly has two jaw assem...
Invention Null point depth calibration. A calibration method for calibrating an underground beacon and tra...
Invention Microtrencher blade
Invention Beacon optimization. An optimizable beacon and method of using the same. The beacon has an onboa...
G/S Earth boring machines, tunneling machines, guided boring machines, trenchless drilling machines a...
Invention Tension monitor. A tension link for use in downhole operations. The tension link has a link body...
Invention Track tensioning system with sliding weldment. A track frame with a tensioning system. The track...
Invention Virtual brake system. A brake system for maintaining an angular position of a spindle assembly. ...
Invention Gps assisted walkover locating system and method. A method and system for using GPS signals and ...
Invention Virtual path guidance system. A guidance system for remotely guiding a work machine along a virt...
G/S Polymer textile liners impregnated with a resin prior to pipeline installation for the repair or...
G/S Polymer textile liners impregnated with a resin prior to pipeline installation for the repair or ...
Invention Pole mounted locator. A mapping device for use in locating and mapping underground utility lines...
Invention Tip over engine lockout system. A system for preventing an engine included in a work machine from...
Invention Wrench with over-center jaws. A drilling machine having a three jaw system on each of two wrench...
Invention Dynamic temperature regulation system for a light head. A system for regulating the temperature ...
Invention Latch assembly for use with an inversion drum. A hinged cover overlays an opening that provides a...
Invention Mechanical disconnect for rotation drive. A horizontal directional drilling system. The system ha...
2023 Invention Offloading vacuum tank. An offloading vacuum system. The system has a tank to capture debris from...
Invention Dual rod assembly and collar installation method. A retention system for attaching a collar to a ...
Invention Integrated pipe locating and marking system. A locating and marking device. The device has one o...
Invention Trench filling machine. A trench filling machine having a hopper supported below a tub containin...
Invention Attachment frame with pivoting loader arm. An articulating work vehicle with a radially-pivoting...
Invention Articulated work machine with individually powered drive members. An articulated work machine wi...
Invention Noise minimization to communicate with a beacon. A method for detecting a beacon signal using an ...
Invention Apparatus for capturing axial force on an inner drive member. A spindle with a mechanism for tran...
Invention Virtual brake system. A brake system for maintaining an angular position of a spindle assembly. A...
Invention Bearing retention for vacuum tank linkage. A bearing assembly for a door linkage. The bearing ass...
Invention Sealing system for downhole tool. A bearing assembly having independently rotatable concentric in...
Invention Mechanical shuttle pipe gripper. A pipe shuttle for moving a pipe segment from an operating posit...
Invention Jaw engagement assist system. An apparatus for gripping and pulling a wire strand. The apparatus...
Invention Cylinder assembly for tilting a vacuum tank. A dual-cylinder tilting assembly for use with a vac...
Invention Augmented reality system for use in horizontal directional drilling operations. A system for trac...
Invention Virtual assisted makeup. A method of handling pipe segments during makeup and breakout of a drill...
Invention Autonomous hdd tracking system with rover. A system for tracking an underground object. An above...
G/S Trench digging machines; ditch digging machines; ground trenching machines and attachments there...
G/S Trench digging machines; ditch digging machines; ground trenching machines and attachments theref...
G/S Earth boring machines; tunneling machines, namely, tunnel boring machines; guided boring machines...
Invention Throttle control system. A hydraulic control system for use with a work machine. The work machine...
G/S Earth excavation equipment, namely, vacuum excavators; material handling equipment in the nature ...
Invention Microtrenching blades with replaceable cutters. A replaceable tooth assembly. A number of tooth ...
Invention Fretting-wear resistant beacon lid. A connection system for a lid in a beacon housing. The lid is...
Invention Downhole energy harvesting system. A downhole energy harvesting system configured for use in a do...
Invention Dual pipe drill head quick interchange joint. A system for connecting a drill bit and pipe puller...
Invention Modular pipe loader assembly. A horizontal directional drilling machine having a modular pipe loa...
Invention Adjustable tracks. A vehicle having two configurations. The vehicle has two track frames, one on...
2022 Invention Multi-cyclone vacuum excavation system. A vehicle may include an undercarriage with a vacuum spo...
G/S Trench digging machines; ditch digging machines; ground trenching machines; and attachments there...
G/S Machines, namely, machines for rehabilitating damaged and deteriorated pipes including sanitary s...
G/S Non-metal tubular liners for the repair or reconstruction of existing conduits, pipelines, potabl...
G/S Underground drilling equipment in the nature of drilling accessories adapted for use with powered...
Invention Tooth for use with a microtrenching blade
Invention Pipe slitter
2021 G/S non-metallic flexible liners and flexible replacement pipes for the repair or reconstruction of e...
Invention System for applying torsional force to a buried pipe to facilitate extraction. A system for break...
G/S Cable assemblies consisting of electric cables and light-emitting diodes (LEDs), sold as an integ...
2020 G/S electronic controls comprising computer hardware, transmitters, receivers, machine control interf...
2019 G/S Retail store services featuring new, used, and refurbished equipment, namely, horizontal directio...
2018 G/S Trailers
G/S Heat-sensitive seals, namely, plugs for providing cooling fluid to electrical components of downh...
G/S Mechanical heat-sensitive seals, namely, plugs for providing cooling fluid to electrical equipme...
2017 G/S heat-sensitive seals, namely, plugs for providing cooling fluid to electrical equipment disposed ...
G/S Tools connected to a horizontal boring machine for bursting or slitting underground pipes and enl...
G/S Tools connected to a horizontal boring machine for bursting or slitting underground pipes and en...
2015 G/S Electronic locators and ground penetrating radar used to locate underground cables, pipelines, ut...
G/S Electronic controls comprising computer hardware, transmitters, receivers, machine control inter...
2014 G/S Providing temporary use of online, non-downloadable software for use in underground construction,...
G/S parts for horizontal directional drilling machines, namely, drill bits, housings, and backreamers...
2013 G/S equipment for excavating, moving, filling and restoring earth and making underground installation...
G/S Electronic locators, namely, devices used to locate underground cables, pipelines, utility lines...
G/S Parts for power-operated digging chains used in underground construction, namely cutting teeth
G/S Electronic locators, namely, devices used to locate underground cables, pipelines, utility lines,...
G/S Electronic locators, namely, devices used to locate underground cables, pipelines, utility lines ...
G/S financial services, namely, financing of new and used construction equipment purchases and lease ...
G/S Parts of power-operated horizontal directional drills used in underground construction, namely, h...
G/S machine parts, namely, mechanical joints including threaded connections used with pipe and drill ...
G/S machines, namely, machines for lining pipes and pipelines including sanitary sewers, storm sewers...
2012 G/S receivers, transmitters, and beacons for use in locating and tracking earth boring equipment such...
G/S Horizontal directional drilling equipment used in underground construction, namely, a connection ...
G/S Earth boring equipment, namely a tooling connection system for use in directional drilling.
G/S Maintenance and repair services for equipment for excavating, moving, filling and restoring earth...
2011 G/S Epoxy resin combined with hardener additives used for the repair and construction of existing con...