Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36283 | Triple effect absorption cycle apparatus | Uwe Rockenfeller | 1999-08-31 |
| RE36045 | Triple effect absorption cycle apparatus | Uwe Rockenfeller | 1999-01-19 |
| 5746059 | Triple effect absorption apparatus and method | Uwe Rockenfeller | 1998-05-05 |
| 5390509 | Triple effect absorption cycle apparatus | Uwe Rockenfeller | 1995-02-21 |
| 5335515 | Triple effect absorption cycle apparatus | Uwe Rockenfeller | 1994-08-09 |
| 5109807 | High output mini hydronic heater | Fred R. Becker | 1992-05-05 |
| 5085251 | Rectangular flexible duct | Andrew Popelka | 1992-02-04 |
| 4919609 | Ceramic tile burner | Frederick E. Becker | 1990-04-24 |
| 4542628 | Coupled dual loop absorption heat pump | Robert C. Reimann, Wendell J. Biermann | 1985-09-24 |