Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754694 | Fluid actuator with lock position indicating means | — | 1988-07-05 |
| 4714006 | Fluid actuator with feedback mechanism | James N. Tootle | 1987-12-22 |
| 4645178 | Redundant drive mechanisms for a direct drive valve and force motor assembly | James N. Tootle, Walter Joseph Fallows, III, Howard J. Lambers, Robert D. Vanderlaan | 1987-02-24 |
| 4627467 | Pilot operated directional control valve | — | 1986-12-09 |
| 4491059 | Fluid actuator with manual lock release and lock position sensor | — | 1985-01-01 |
| 4463657 | Fluid actuator with sequence-power valve | James N. Tootle | 1984-08-07 |
| 4365539 | Fluid pressure actuator with stroke end lock mechanism | Thomas J. Rollins | 1982-12-28 |
| 4192399 | Safety vacuum valve and electric switch for speed control systems | Jack O. Otteson | 1980-03-11 |