Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12035661 | Multi-task blower platform, device and system | Christine Peters | 2024-07-16 |
| 8177914 | Dual path blower method and apparatus | — | 2012-05-15 |
| 4530377 | Block valve | — | 1985-07-23 |
| RE31845 | Relay valve for fluid actuators | — | 1985-03-12 |
| 4491154 | Double acting pilot valve | — | 1985-01-01 |
| 4364412 | Pull type relay valve with automatic lockout | — | 1982-12-21 |
| 4347867 | Safety valve | — | 1982-09-07 |
| 4320779 | Push-type control valve for fluid actuator | — | 1982-03-23 |
| 4263938 | Relay valve for fluid actuators | — | 1981-04-28 |
| 4256141 | Relay valve for fluid actuators | — | 1981-03-17 |
| 4252145 | Manually reset control valve for a fluid actuator | — | 1981-02-24 |
| 4239058 | Pull type relay valve with automatic lockout | — | 1980-12-16 |
| 4217934 | Pilot valve mechanism for high or low pressure cut-off control | — | 1980-08-19 |
| 4215746 | Pressure responsive safety system for fluid lines | Donald F. Hallden, L. V. McCary, Jr. | 1980-08-05 |
| 4209040 | Seal means for high pressure control valves | — | 1980-06-24 |
| 4207924 | Control valve for fluid actuator | — | 1980-06-17 |
| 4196750 | Push-type control valve for fluid actuator | — | 1980-04-08 |
| 4194529 | Control valve having integral visual indicator for fluid safety systems | Melvin J. Hargraves | 1980-03-25 |