Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920393 | Four pole neutral-point clamped three phase converter with low common mode voltage output | Ashish R. Bendre, James C. Vander Meer, Robert M. Cuzner | 2011-04-05 |
| 5809794 | Feed forward control of expansion valve | Lee L. Sibik, Daniel C. Leaver | 1998-09-22 |
| 5632154 | Feed forward control of expansion valve | Lee L. Sibik, Daniel C. Leaver | 1997-05-27 |
| 5553997 | Control method and apparatus for a centrifugal chiller using a variable speed impeller motor drive | Brian T. Sullivan, Paul C. Rentmeester | 1996-09-10 |
| 5537830 | Control method and appartus for a centrifugal chiller using a variable speed impeller motor drive | Brian T. Sullivan, Paul C. Rentmeester | 1996-07-23 |
| 5355691 | Control method and apparatus for a centrifugal chiller using a variable speed impeller motor drive | Brian T. Sullivan, Paul C. Rentmeester | 1994-10-18 |
| 5231846 | Method of compressor staging for multi-compressor multi-circuited refrigeration systems | Robert L. Oltman | 1993-08-03 |