The Charles Machines Works, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for The Charles Machines Works, Inc..The latest application filed is for "vehicle with non-symmetrical drive members".
- The Charles Machines Works, Inc. - Perry OK
| Patent | Date |
|---|---|
| Hydraulic control system Grant 10,582,652 - Kukuk , et al. | 2020-03-10 |
| Vehicle With Non-Symmetrical Drive Members App 20170342682 - Sewell; Cody L. ; et al. | 2017-11-30 |
| Microtrenching blade and tooth Grant D796,291 - Sewell , et al. September 5, 2 | 2017-09-05 |
| Dipole locator using multiple measurement points Grant 8,928,323 - Cole , et al. January 6, 2 | 2015-01-06 |
| Trenching System App 20140345169 - Ruhl; Michael C. ; et al. | 2014-11-27 |
| Method For Guiding A Downhole Tool Assembly Using An Above-Ground Receiver System App 20140111211 - Cole; Scott Bryan ; et al. | 2014-04-24 |
| Dual pipe for increased fluid flow Grant 8,201,644 - Hall , et al. June 19, 2 | 2012-06-19 |
| Receiver system for determining the location of a magnetic field source Grant 7,952,357 - Cole May 31, 2 | 2011-05-31 |
| Cable Injector And Puller For Pipe Bursting App 20070253781 - Sewell; Cody L. ; et al. | 2007-11-01 |
| Excavator tool carrier Grant D511,531 - Sewell , et al. November 15, 2 | 2005-11-15 |
| Rotary driven pipe-bursting tool Grant 6,896,077 - Gunsaulis , et al. May 24, 2 | 2005-05-24 |
| Rotary driven drilling hammer Grant 6,761,231 - Dock , et al. July 13, 2 | 2004-07-13 |
| Polygonal ball drive system for earth auger Grant 6,290,606 - Hodson September 18, 2 | 2001-09-18 |
| Locator equipment with self-integrity test capability Grant 5,541,516 - Rider , et al. July 30, 1 | 1996-07-30 |
| Method and casing for excavating a borehole Grant 5,361,855 - Schuermann , et al. November 8, 1 | 1994-11-08 |
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