Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228692 | Defrost mode for HVAC heat pump systems | Julio Concha, Yu H. Chen, Tobias H. Sienel | 2007-06-12 |
| 7165605 | Multi-tube in spiral heat exchanger | Gary D. Winch, William A. Rioux | 2007-01-23 |
| 7159416 | Heat generating expander for heat pump systems | — | 2007-01-09 |
| 7010925 | Method of controlling a carbon dioxide heat pump water heating system | Tobias H. Sienel, Yu H. Chen, Bryan A. Eisenhower, Julio Concha, Lili Zhang +2 more | 2006-03-14 |
| 6736346 | Apparatus for winding cord | — | 2004-05-18 |
| 6736634 | NOx reduction with a combination of radiation baffle and catalytic device | Shailesh Manohar | 2004-05-18 |
| 6658888 | Method for increasing efficiency of a vapor compression system by compressor cooling | Shailesh Manohar, Scott M. MacBain, Tobias H. Sienel | 2003-12-09 |
| 6647742 | Expander driven motor for auxiliary machinery | Jeff J. Neiter, Sivakumar Gopalnarayanan, J. Michael Griffin, William A. Rioux, Russell G. Lewis | 2003-11-18 |
| 6568199 | Method for optimizing coefficient of performance in a transcritical vapor compression system | Shailesh Manohar | 2003-05-27 |