Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025330 | Bar-stock ball valve | — | 2006-04-11 |
| 6708489 | Pneumatic actuator | David G. Holloway | 2004-03-23 |
| 6361019 | Fastening system for connecting actuators, or other attachable devices, to rotary valves | — | 2002-03-26 |
| 5772177 | Valve latching device for single handed operation | David G. Holloway, Kenneth Madden | 1998-06-30 |
| 5411048 | Fluid control valve with latching handle assembly | — | 1995-05-02 |
| 4909275 | Latching handle | David G. Holloway, Kenneth Walton | 1990-03-20 |
| 4727899 | Pilot valve assembly | David G. Holloway | 1988-03-01 |
| 4559966 | Valve handle with selectable stops | David G. Holloway | 1985-12-24 |
| 4326627 | Limit switch for rotary control device | David G. Holloway | 1982-04-27 |
| 4193579 | Detachable handle for control devices | — | 1980-03-18 |