Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020564 | Doser system for regulating pressure in a control chamber of a test stand | David C. Thoman, Marvin N. Briggs | 1991-06-04 |
| 4742465 | Control system for doser actuator having improved resolution | — | 1988-05-03 |
| 4651621 | Control system for an air motor | — | 1987-03-24 |
| 4640093 | Fuel metering system | — | 1987-02-03 |
| 4632635 | Turbine blade clearance controller | David C. Thoman, Russell C. Perkey | 1986-12-30 |
| 4442928 | Actuator | — | 1984-04-17 |
| 4386553 | Control system for doser actuator | David C. Thoman | 1983-06-07 |
| 4373858 | Flow regulating shaft seal for an air motor | — | 1983-02-15 |
| 4276006 | System for cooling motor bearings | Russell C. Perkey, David C. Thoman | 1981-06-30 |
| 4256017 | Differential area electrohydraulic doser actuator | — | 1981-03-17 |
| 4213741 | Variable flow ejector | Francis R. Rogers | 1980-07-22 |