Issued Patents All Time
Showing 126–150 of 173 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928828 | Tandem compressors with economized operation | Michael F. Taras, Thomas J. Dobmeier | 2005-08-16 |
| 6925823 | Refrigerant cycle with operating range extension | Michael F. Taras | 2005-08-09 |
| 6925822 | Oil return control in refrigerant system | Michael F. Taras, Thomas J. Dobmeier | 2005-08-09 |
| 6892553 | Combined expansion device and four-way reversing valve in economized heat pumps | Thomas J. Dobmeier, Michael F. Taras | 2005-05-17 |
| 6883341 | Compressor with unloader valve between economizer line and evaporator inlet | — | 2005-04-26 |
| 6881026 | Screw compressors with rotor and casing design for controlling deflections | James W. Bush, Mark A. Daniels, Reng Rong Lin, William Rousseau, Tim Wagner +1 more | 2005-04-19 |
| 6873504 | System and method for detecting loss of phase in a compressor system | Michael F. Taras | 2005-03-29 |
| 6860116 | Performance enhancement of vapor compression systems with multiple circuits | Michael F. Taras, Howard H. Fraser, Jr. | 2005-03-01 |
| 6826918 | Refrigerant system performance enhancement by use of additional heat exchanger | Michael F. Taras, Howard H. Fraser, Jr. | 2004-12-07 |
| 6826926 | Liquid injection for reduced discharge pressure pulsation in compressors | James W. Bush, Mark A. Daniels, Thomas S. Katra, Reng Rong Lin, Patrick C. Marks +3 more | 2004-12-07 |
| 6821098 | Screw compressor having compression pockets closed for unequal durations | — | 2004-11-23 |
| 6817205 | Dual reversing valves for economized heat pump | Thomas J. Dobmeier, Michael F. Taras | 2004-11-16 |
| 6799951 | Compressor degradation detection system | Michael F. Taras, Howard H. Fraser, Jr. | 2004-10-05 |
| 6736622 | Scroll compressor with offset scroll members | James W. Bush | 2004-05-18 |
| 6694750 | Refrigeration system employing multiple economizer circuits | Yan Tang | 2004-02-24 |
| 6658867 | Performance enhancement of vapor compression system | Michael F. Taras, Thomas J. Dobmeier, Howard H. Fraser, Jr. | 2003-12-09 |
| 6648604 | Short reverse rotation of scroll compressor at startup | — | 2003-11-18 |
| 6595763 | Screw compressor with reduced leak path | Timothy C. Wagner, James W. Bush, Donald Yannascoli, Mark A. Daniels, Rene Lin +1 more | 2003-07-22 |
| 6571576 | Injection of liquid and vapor refrigerant through economizer ports | James W. Bush, Michael F. Taras, Howard H. Fraser, Jr., Russell G. Lewis | 2003-06-03 |
| 6526765 | Pre-start bearing lubrication system employing an accumulator | — | 2003-03-04 |
| 6517332 | Scroll compressor with controlled fluid venting to back pressure chamber | James W. Bush | 2003-02-11 |
| 6494695 | Orbiting scroll center of mass optimization | — | 2002-12-17 |
| 6474087 | Method and apparatus for the control of economizer circuit flow for optimum performance | — | 2002-11-05 |
| 6430959 | Economizer injection ports extending through scroll wrap | — | 2002-08-13 |
| 6354822 | Oil retention in compressor slider block | James W. Bush | 2002-03-12 |