Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6988565 | Retrofit kit for a modular control apparatus for a power impact tool | — | 2006-01-24 |
| 6892826 | Processes of determining torque output and controlling power impact tools using a torque transducer | — | 2005-05-17 |
| 6848516 | Processes of determining torque output and controlling power impact tools using a torque transducer | — | 2005-02-01 |
| 6823949 | Modular control apparatus for a power impact tool | — | 2004-11-30 |
| 6581696 | Processes of determining torque output and controlling power impact tools using a torque transducer | — | 2003-06-24 |
| 6581697 | Power impact tool torque apparatus | — | 2003-06-24 |
| D461388 | Grip for pneumatic hand tool | — | 2002-08-13 |
| 6321853 | Vibration isolated impact wrench | Ronnie G. Foltz | 2001-11-27 |
| 6318479 | Vibration isolated impact wrench | Ronnie G. Foltz | 2001-11-20 |
| 6311786 | Process of determining torque output and controlling power impact tools using impulse | Stephen Michael DeMarco | 2001-11-06 |
| 6250399 | Pneumatic tool with a reverse valve having an overdrive | — | 2001-06-26 |
| 5896789 | Ratchet wrench head | — | 1999-04-27 |
| D404625 | Ratchet wrench | — | 1999-01-26 |
| D395386 | Pneumatic ratchet | — | 1998-06-23 |
| 5622230 | Rotary impact wrench clutch improvement | Peder P. Messina, III | 1997-04-22 |
| 5083619 | Powered impact wrench | William K. Wallace, Joseph R. Groshans | 1992-01-28 |
| 4951756 | Torque control screwdriver | Richard J. Everett, William K. Wallace | 1990-08-28 |
| 4497197 | Pneumatic hydraulic hand-held power unit | Joseph R. Groshans, Kenneth A. McHenry | 1985-02-05 |
| 4477096 | Socket retainer | William K. Wallace | 1984-10-16 |
| 4467565 | Rotary and orbital sander | William K. Wallace, Joseph R. Groshans | 1984-08-28 |
| 4413396 | Microprocessor control yield point tightening system | William K. Wallace, Joseph R. Groshans | 1983-11-08 |
| 4403532 | Ratchet nutrunner with audible torque signal | William K. Wallace | 1983-09-13 |
| 4400785 | Microprocessor monitoring system for fastener tightening | William K. Wallace, Joseph R. Groshans | 1983-08-23 |
| 4347902 | Rotary impact wrench clutch | William K. Wallace | 1982-09-07 |
| D261097 | Pneumatic nut runner with torque indicator | William K. Wallace | 1981-10-06 |