Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997091 | Control scheme for multiple operating parameters in economized refrigerant system | Alexander Lifson, Michael F. Taras | 2011-08-16 |
| 7854136 | Automated drive for fan and refrigerant system | Michael F. Taras, Alexander Lifson | 2010-12-21 |
| 7197890 | Valve for preventing unpowered reverse run at shutdown | Michael F. Taras, Alexander Lifson | 2007-04-03 |
| 7137270 | Flash tank for heat pump in heating and cooling modes of operation | Alexander Lifson, Michael F. Taras | 2006-11-21 |
| 7114348 | Fluid diode expansion device for heat pumps | Alexander Lifson, Michael F. Taras | 2006-10-03 |
| 7013658 | Refrigerant subcooling by condensate | Michael F. Taras, Alexander Lifson | 2006-03-21 |
| 7010927 | Refrigerant system with controlled refrigerant charge amount | Alexander Lifson, Michael F. Taras | 2006-03-14 |
| 7000423 | Dual economizer heat exchangers for heat pump | Alexander Lifson, Michael F. Taras | 2006-02-21 |
| 6996998 | Refrigerant system pressure control for storage and transportation | Alexander Lifson, Michael F. Taras | 2006-02-14 |
| 6981384 | Monitoring refrigerant charge | Michael F. Taras, Alexander Lifson | 2006-01-03 |
| 6966193 | Control of multi-circuit economized system | Michael F. Taras, Alexander Lifson | 2005-11-22 |
| 6964173 | Expansion device with low refrigerant charge monitoring | Michael F. Taras, Alexander Lifson | 2005-11-15 |
| 6955057 | Control scheme and method for dehumidification systems at low ambient conditions | Michael F. Taras, Ruddy C. Bussjager | 2005-10-18 |
| 6955058 | Refrigerant cycle with tandem economized and conventional compressors | Michael F. Taras, Alexander Lifson | 2005-10-18 |
| 6928828 | Tandem compressors with economized operation | Michael F. Taras, Alexander Lifson | 2005-08-16 |
| 6925822 | Oil return control in refrigerant system | Alexander Lifson, Michael F. Taras | 2005-08-09 |
| 6895781 | Multiple refrigerant circuits with single economizer heat exchanger | Michael F. Taras, Howard H. Fraser, Jr. | 2005-05-24 |
| 6892553 | Combined expansion device and four-way reversing valve in economized heat pumps | Alexander Lifson, Michael F. Taras | 2005-05-17 |
| 6817205 | Dual reversing valves for economized heat pump | Alexander Lifson, Michael F. Taras | 2004-11-16 |
| 6705093 | Humidity control method and scheme for vapor compression system with multiple circuits | Michael F. Taras | 2004-03-16 |
| 6701723 | Humidity control and efficiency enhancement in vapor compression system | Michael F. Taras, Ruddy C. Bussjager | 2004-03-09 |
| 6694756 | System and method for multi-stage dehumidification | Michael F. Taras | 2004-02-24 |
| 6672087 | Humidity and temperature control in vapor compression system | Michael F. Taras | 2004-01-06 |
| 6658867 | Performance enhancement of vapor compression system | Michael F. Taras, Alexander Lifson, Howard H. Fraser, Jr. | 2003-12-09 |
| 6233952 | Pretrip routine comprising of individual refrigeration system components | Kevin J. Porter, Peter H. Kopp, Garret J. Malone, Mark B. Rabbia | 2001-05-22 |