Issued Patents All Time
Showing 151–173 of 173 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6305914 | Counterweight of reduced size | — | 2001-10-23 |
| 6290478 | Eccentric back chamber seals for scroll compressor | — | 2001-09-18 |
| 6290480 | Screw machine | — | 2001-09-18 |
| 6238188 | Compressor control at voltage and frequency extremes of power supply | — | 2001-05-29 |
| 6210119 | Reverse rotation detection compressors with a preferential direction of rotation | Boris Karpman, John D. Lamb | 2001-04-03 |
| 6196816 | Unequal injection ports for scroll compressors | James W. Bush | 2001-03-06 |
| 6171086 | Scroll compressor with pressure equalization groove | James W. Bush | 2001-01-09 |
| 6149413 | Scroll compressor with lubrication of seals in back pressure chamber | — | 2000-11-21 |
| 6138467 | Steady state operation of a refrigeration system to achieve optimum capacity | Boris Karpman | 2000-10-31 |
| 6122924 | Hot gas compressor bypass using oil separator circuit | Boris Karpman | 2000-09-26 |
| 6120268 | Scroll compressor with reverse offset at wrap tips | James W. Bush | 2000-09-19 |
| 6113372 | Scroll compressor with discharge chamber groove | James W. Bush | 2000-09-05 |
| 6089839 | Optimized location for scroll compressor economizer injection ports | James W. Bush | 2000-07-18 |
| 6074186 | Lubrication systems for scroll compressors | Hussein E. Khalifa, James W. Bush | 2000-06-13 |
| 6058729 | Method of optimizing cooling capacity, energy efficiency and reliability of a refrigeration system during temperature pull down | Boris Karpman | 2000-05-09 |
| 6047556 | Pulsed flow for capacity control | — | 2000-04-11 |
| 6042344 | Control of scroll compressor at shutdown to prevent unpowered reverse rotation | — | 2000-03-28 |
| 5996364 | Scroll compressor with unloader valve between economizer and suction | James W. Bush | 1999-12-07 |
| 5873711 | Scroll compressor with reduced separating force between fixed and orbiting scroll members | — | 1999-02-23 |
| 5857844 | Scroll compressor with reduced height orbiting scroll wrap | James W. Bush | 1999-01-12 |
| 5833443 | Scroll compressor with reduced separating force between fixed and orbiting scroll members | — | 1998-11-10 |
| 5762483 | Scroll compressor with controlled fluid venting to back pressure chamber | James W. Bush | 1998-06-09 |
| 5510582 | Acoustic attenuator, well logging apparatus and method of well logging | James R. Birchak, Eugene J. Linyaev, John W. Minear, Dennis Roessler, David J. Young | 1996-04-23 |