Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926025 | Shock actuated responsive mechanism with improved leveraged valve closing activation means for vertical fluid valve assemblies | Richard D. Sibley, Richard F. Christensen, Sr. | 2005-08-09 |
| 6789560 | Shock actuated responsive mechanism with improved safety means to prevent over-rotation of the valve reset mechanism | Richard D. Sibley, Dayna Sibley Stoner | 2004-09-14 |
| 6527004 | Shock actuated responsive mechanism for vertical fluid valve assemblies | Richard B. Sibley, Richard F. Christensen, Sr. | 2003-03-04 |
| 6502599 | Shock actuated responsive mechanism for vertical fluid valve assemblies | Richard D. Sibley | 2003-01-07 |
| 6394122 | Shock actuated sensor for fluid valve | Richard D. Sibley | 2002-05-28 |
| 5295403 | Mechanical actuator | Richard D. Sibley | 1994-03-22 |
| 4915122 | Shock actuated valve | Takashi Ikegaya, Richard D. Sibley | 1990-04-10 |
| 4782848 | Shock actuated device | Richard D. Sibley | 1988-11-08 |
| 4721027 | Double acting linear actuator | Richard D. Sibley | 1988-01-26 |
| 4603591 | Device responsive to shock forces | Richard D. Sibley | 1986-08-05 |
| 4513629 | Shock responsive device | Richard D. Sibley | 1985-04-30 |
| 4503717 | Shock actuated unit | Richard D. Sibley | 1985-03-12 |
| 4475565 | Magnetically actuable shock responsive unit | Richard D. Sibley | 1984-10-09 |
| 4452125 | Manual-hydraulic actuator | Richard D. Sibley | 1984-06-05 |