Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733108 | Hermetic refrigeration compressor | — | 1998-03-31 |
| 5346373 | Refrigeration compressor having a spherical discharge valve | — | 1994-09-13 |
| 5338159 | Co-rotational scroll compressor supercharger device | Peter A. Kotlarek, Robert E. Utter | 1994-08-16 |
| 5199280 | Co-rotational scroll compressor supercharger device | Peter A. Kotlarek, Robert E. Utter | 1993-04-06 |
| 4928503 | Scroll apparatus with pressure regulation | — | 1990-05-29 |
| 4927339 | Rotating scroll apparatus with axially biased scroll members | Peter A. Kotlarek, Robert E. Utter | 1990-05-22 |
| 4867657 | Scroll compressor with axially balanced shaft | Peter A. Kotlarek | 1989-09-19 |
| 4547131 | Refrigeration compressor and method of assembling same | John P. Elson, Dilip S. Sathe, Walter T. Grassbaugh | 1985-10-15 |
| 4518323 | Hermetic refrigeration compressor | John P. Elson, Earl B. Muir | 1985-05-21 |
| 4350908 | Cooling system for rotor of a dynamoelectric machine | — | 1982-09-21 |
| 4304632 | Nuclear reactor shutdown system | Suresh K. Bhate, Martin H. Cooper, Calvin L. Kinney | 1981-12-08 |
| 4245966 | Reciprocating piston device with changeable stroke length | — | 1981-01-20 |