Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146688 | Refrigerant vapor compression system with multiple flash tanks | Douglas Auyer, KeonWoo Lee | 2024-11-19 |
| 11885533 | Refrigerant vapor compression system | Jianhua Zhou, Tobias H. Sienel, KeonWoo Lee, Douglas Auyer, Ping S. Vang +1 more | 2024-01-30 |
| 11867466 | Compact heat exchanger assembly for a refrigeration system | Jianhua Zhou, Tobias H. Sienel, Bruce J. Poplawski, KeonWoo Lee | 2024-01-09 |
| 11441820 | Refrigerant leak detection system | Paul V. Weyna, Mark J. Perkovich, Lei Chen, Hai Tian | 2022-09-13 |
| 10228172 | Refrigerant level monitor for refrigeration system | Thomas J. Benedict, Martin O. Johnsen | 2019-03-12 |
| 9951974 | Flash tank economizer cycle control | Hans-Joachim Huff | 2018-04-24 |
| 9951975 | Carbon dioxide refrigerant vapor compression system | Yu H. Chen, Suresh Duraisamy, Lucy Yi Liu, Zvonko Asprovski, Kursten Lamendola +1 more | 2018-04-24 |
| 9719713 | Refrigerated cargo container, method for cooling a cargo, method for heating a cargo | — | 2017-08-01 |
| 9494352 | Refrigerant system with control to address flooded compressor operation | Alexander Lifson | 2016-11-15 |
| 8424326 | Refrigerant vapor compression system and method of transcritical operation | Biswajit Mitra, Yu H. Chen, Suresh Duraisamy, Lucy Yi Liu | 2013-04-23 |
| 8424337 | Refrigerant vapor compression system with lubricant cooler | Kursten Lamendola | 2013-04-23 |
| 8292599 | Compressor reverse rotation of variable duration on start-up | Alexander Lifson | 2012-10-23 |
| 8230694 | Refrigeration circuit | William J. Heffron | 2012-07-31 |
| 8117860 | Refrigeration unit with integrated structural condenser coil support | Dennis M. Stone, Thomas A. Anderson | 2012-02-21 |
| 8109102 | Adjustment of compressor operating limits | Alexander Lifson, Michael F. Taras | 2012-02-07 |
| 7104076 | Lubricant return schemes for use in refrigerant cycle | Alexander Lifson | 2006-09-12 |
| 6993920 | Heater cycling for improved oil return | Alexander Lifson | 2006-02-07 |