Schilling; Roger A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schilling; Roger A..The latest application filed is for "bi-directional actuator using a random direction ac motor".
- Schilling; Roger A. - New Brighton MN
- Schilling; Roger A. - West Saint Paul MN
- Schilling; Roger A. - West St. Paul MN
| Patent | Date |
|---|---|
| Bi-directional actuator using a random direction AC motor Grant 5,723,918 - Schilling , et al. March 3, 1 | 1998-03-03 |
| Flame detection system using a voltage clipper means Grant 4,238,184 - Schilling December 9, 1 | 1980-12-09 |
| Control system for redundant valves Grant 4,211,526 - Schilling July 8, 1 | 1980-07-08 |
| Flame signal stabilization circuit Grant 4,168,949 - Hamelink , et al. September 25, 1 | 1979-09-25 |
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