Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664424 | Refrigerant handling system and method with air purge and multiple refrigerant capabilities | — | 1997-09-09 |
| 5597533 | Apparatus for analyzing refrigerant properties | Sandra Sheehe | 1997-01-28 |
| 5551247 | Refrigerant handling system and method especially for flammable and potentially flammable refrigerants | Kenneth W. Manz, Allan F. Heisler, II, Gary P. Murray, Walter D. Murray | 1996-09-03 |
| 5544494 | Method and apparatus for refrigerant purification | Kenneth W. Manz | 1996-08-13 |
| 5514595 | Method for analyzing refrigerant properties | Sandra Sheehe | 1996-05-07 |
| 5295360 | Apparatus for identifying and distinguishing different refrigerants | Sandra Snyder | 1994-03-22 |