Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617737 | Capillary fluted tube mass and heat transfer devices and methods of use | Richard N. Christensen, Yong Kang | 1997-04-08 |
| 5546760 | Generator for absorption heat pumps | Stephen E. Petty, Howard C. Meacham, Jr., Richard N. Christensen, Kevin R. McGahey | 1996-08-20 |
| 5533362 | Heat transfer apparatus for heat pumps | Stephen E. Petty, Howard C. Meacham, Jr., Richard N. Christensen, Kevin R. McGahey | 1996-07-09 |
| 5339654 | Heat transfer apparatus | Stephen E. Petty, Howard C. Meacham, Jr., Richard N. Christensen, Kevin R. McGahey | 1994-08-23 |
| RE34600 | Energy recovery system for absorption heat pumps | Edward A. Reid, Jr. | 1994-05-10 |
| 5077986 | Energy recovery system for absorption heat pumps | Edward A. Reid, Jr. | 1992-01-07 |
| 5067330 | Heat transfer apparatus for heat pumps | Stephen E. Petty, Howard C. Meacham, Jr., Richard N. Christensen, Kevin R. McGahey | 1991-11-26 |
| 4972679 | Absorption refrigeration and heat pump system with defrost | Stephen E. Petty | 1990-11-27 |
| 4742687 | Dual cooling/heating process and composition | Edward A. Reid, Jr., Edgar M. Purvis, Jr., Horatio H. Krause, Jr. | 1988-05-10 |
| 4742693 | Absorption refrigeration and heat pump system | Edward A. Reid, Jr., Stephen P. Cremean, Richard H. Merrick, Edgar M. Purvis, Jr. | 1988-05-10 |
| 4722193 | Absorption refrigeration and heat pump system | Edgar M. Purvis, Jr., Edward A. Reid, Jr., Stephen P. Cremean | 1988-02-02 |
| 4719767 | Absorption refrigeration and heat pump system | Edward A. Reid, Jr., Edward M. Winter, Richard H. Merrick, Edgar M. Purvis, Jr., Stephen P. Cremean | 1988-01-19 |
| 4691532 | Dual cooling/heating system energy recovery | Edward A. Reid, Jr., Edgar M. Purvis, Jr. | 1987-09-08 |
| 4646541 | Absorption refrigeration and heat pump system | Edward A. Reid, Jr., Edward M. Winter, Edgar M. Purvis, Jr., Horatio H. Krause, Jr. | 1987-03-03 |