Issued Patents 2005
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966192 | Tandem compressors with discharge valve on connecting lines | Alexander Lifson | 2005-11-22 |
| 6966193 | Control of multi-circuit economized system | Thomas J. Dobmeier, Alexander Lifson | 2005-11-22 |
| 6964173 | Expansion device with low refrigerant charge monitoring | Thomas J. Dobmeier, Alexander Lifson | 2005-11-15 |
| 6955059 | Vapor compression system | Alexander Lifson, Howard H. Fraser, Jr. | 2005-10-18 |
| 6955058 | Refrigerant cycle with tandem economized and conventional compressors | Alexander Lifson, Thomas J. Dobmeier | 2005-10-18 |
| 6955057 | Control scheme and method for dehumidification systems at low ambient conditions | Thomas J. Dobmeier, Ruddy C. Bussjager | 2005-10-18 |
| 6941770 | Hybrid reheat system with performance enhancement | Alexander Lifson | 2005-09-13 |
| 6938438 | Vapor compression system with bypass/economizer circuits | Alexander Lifson | 2005-09-06 |
| 6928828 | Tandem compressors with economized operation | Alexander Lifson, Thomas J. Dobmeier | 2005-08-16 |
| 6925823 | Refrigerant cycle with operating range extension | Alexander Lifson | 2005-08-09 |
| 6925822 | Oil return control in refrigerant system | Alexander Lifson, Thomas J. Dobmeier | 2005-08-09 |
| 6895781 | Multiple refrigerant circuits with single economizer heat exchanger | Thomas J. Dobmeier, Howard H. Fraser, Jr. | 2005-05-24 |
| 6892553 | Combined expansion device and four-way reversing valve in economized heat pumps | Alexander Lifson, Thomas J. Dobmeier | 2005-05-17 |
| 6873504 | System and method for detecting loss of phase in a compressor system | Alexander Lifson | 2005-03-29 |
| 6860116 | Performance enhancement of vapor compression systems with multiple circuits | Alexander Lifson, Howard H. Fraser, Jr. | 2005-03-01 |