Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6880343 | Supercharged gas turbine with improved control | — | 2005-04-19 |
| 6718771 | Gas turbine operative at high ambient temperatures | — | 2004-04-13 |
| 6513339 | Solar air conditioner | — | 2003-02-04 |
| 6442942 | Supercharging system for gas turbines | — | 2002-09-03 |
| 6405543 | High-efficiency air-conditioning system with high-volume air distribution | — | 2002-06-18 |
| 6318977 | Reciprocating compressor with auxiliary port | — | 2001-11-20 |
| 6308512 | Supercharging system for gas turbines | — | 2001-10-30 |
| 6286326 | Control system for a refrigerator with two evaporating temperatures | — | 2001-09-11 |
| 6234036 | Roller mechanism | — | 2001-05-22 |
| 6185943 | High-efficiency air-conditioning system with high-volume air distribution | — | 2001-02-13 |
| 6121749 | Variable-speed drive for single-phase motors | Frank E. Wills | 2000-09-19 |
| 6035637 | Free-piston internal combustion engine | William T. Beale | 2000-03-14 |
| 5974822 | Rotating disk evaporative cooler | — | 1999-11-02 |
| 5947854 | Combined variable-speed drive and speed reducer for pumps and fans | — | 1999-09-07 |
| 5867994 | Dual-service evaporator system for refrigerators | — | 1999-02-09 |
| 5406805 | Tandem refrigeration system | K. Reinhard Radermacher, Kwangil Kim, Jurgen Pannock | 1995-04-18 |
| 5076064 | Method and refrigerants for replacing existing refrigerants in centrifugal compressors | — | 1991-12-31 |