Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460676 | Friction clutch with wear adjustment and constant lift device | — | 2002-10-08 |
| 6408717 | Twin mass flywheels | Robert John Murphy | 2002-06-25 |
| 6402621 | Torsional vibration dampers | Richard David Maitland Cooke, Anthony John Curtis, Omar Moirano, Gerhard Ronner, Franz Sedlmeier +8 more | 2002-06-11 |
| 6394908 | Torsional vibration dampers | Adam Johnson Lambert | 2002-05-28 |
| 6364776 | Damping device | — | 2002-04-02 |
| 6360863 | Clutches | — | 2002-03-26 |
| 6109413 | Friction clutch with adjusting device | — | 2000-08-29 |
| 6059082 | Power transmitting arrangement | John F. Fitzpatrick-Ellis | 2000-05-09 |
| 6029539 | Twin mass flywheel | — | 2000-02-29 |
| 5887689 | Automatically adjusting clutch | — | 1999-03-30 |
| 5609073 | Camming differential with oil pump means | John Spooner, John Chippendale | 1997-03-11 |
| 5560268 | Differential mechanism with lockable rotatable cam members | — | 1996-10-01 |
| 5557986 | Differential mechanism | John Spooner, John Chippendale | 1996-09-24 |
| 5542316 | Cam type gearless interaxle differential mechanism | John Spooner, John Chippendale | 1996-08-06 |
| 5461941 | Self-locking differential gear | — | 1995-10-31 |
| 5188204 | Pre-filled power hydraulic system | David R. Arrowsmith, David Parsons | 1993-02-23 |
| 5062320 | Differential mechanism | David Parsons, Wilfred N. Bainbridge, Harry D. Temperley | 1991-11-05 |
| 5038901 | Clutch control system in which the clutch actuation is initiated by control of the gear shift lever | David Parsons, Roger P. Jarvis, Harry M. Windsor | 1991-08-13 |
| RE33336 | Change speed transmission | Wilfred N. Bainbridge | 1990-09-18 |
| 4667526 | Change speed transmission | — | 1987-05-26 |
| 4660441 | Transmission control system | — | 1987-04-28 |
| 4627301 | Change speed transmission | Wilfred N. Bainbridge | 1986-12-09 |
| 4561531 | Hydraulic slave cylinder with latch means for use with clutch release bearing | David R. Arrowsmith, David Parsons | 1985-12-31 |
| 4487304 | Control system for a fluid pressure engaged clutch | — | 1984-12-11 |
| 4485687 | Rotary transmission | John P. Burke | 1984-12-04 |