Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298106 | Steering transmission for tracked vehicles | — | 2012-10-30 |
| 6109034 | Continuously variable hydrostatic transmission ratio controller capable of generating amplified stroking forces | — | 2000-08-29 |
| 5980414 | Multi-range, belt-type, continuously variable transmission | — | 1999-11-09 |
| 5976046 | Multi-range, hydromechanical transmission for application in high performance automotive drivetrains | — | 1999-11-02 |
| 5830097 | Multi-range with infinitely variable ratio in each range, hydromechanical transmission for off-road vehicles | — | 1998-11-03 |
| 5752684 | Pedestal chair base | — | 1998-05-19 |
| 5730678 | Multi-range, hydromechanical transmission for motor vehicles | — | 1998-03-24 |
| 5642617 | Continuously variable hydrostatic transmission with neutral-setting hydraulic circuit | Donald Purcell | 1997-07-01 |
| 5542336 | Positioning apparatus and method utilizing PWM control of a double-acting hydraulic cylinder | — | 1996-08-06 |
| 5540048 | Continuously variable hydrostatic transmission including a pulse width modulation ratio controller | William R. Kerr | 1996-07-30 |
| 5531072 | Continuously variable hydrostatic transmission having swashplate-mounted cylinder blocks | — | 1996-07-02 |
| 5524437 | Continuously variable hydrostatic transmission having ratio controller actuating components incorporated in output shaft | Lawrence R. Folsom | 1996-06-11 |
| D369928 | Chair base | — | 1996-05-21 |
| D367573 | Chair base | — | 1996-03-05 |
| D363842 | Chair base | — | 1995-11-07 |
| D363843 | Chair base | — | 1995-11-07 |
| D358063 | Chair | — | 1995-05-09 |
| D358064 | Chair | — | 1995-05-09 |
| D358065 | Chair | — | 1995-05-09 |