Issued Patents All Time
Showing 51–75 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648702 | Low capacity, low-GWP, HVAC system | Parmesh Verma, Frederick J. Cogswell, William T. Cousins, Ulf J. Jonsson, Larry D. Burns | 2020-05-12 |
| 10612551 | Compressor motor windage loss mitigation | — | 2020-04-07 |
| 10544801 | Centrifugal compressor part load control algorithm for improved performance | Joost Brasz | 2020-01-28 |
| 10539352 | Compressor bearing cooling via purge unit | Ulf J. Jonsson, Zaffir A. Chaudhry | 2020-01-21 |
| 10527050 | Refrigerant lube system | — | 2020-01-07 |
| 10480831 | Compressor bearing cooling | Ulf J. Jonsson, Zaffir A. Chaudhry | 2019-11-19 |
| 10364826 | Inlet guide vane mechanism | — | 2019-07-30 |
| 10267539 | Hot gas bypass for two-stage compressor | — | 2019-04-23 |
| 10228168 | Compressor bearing cooling | Ulf J. Jonsson, Zaffir A. Chaudhry | 2019-03-12 |
| 10161406 | Compressor clearance control | — | 2018-12-25 |
| 9976565 | Compressor surge detection | — | 2018-05-22 |
| 9732997 | Low leakage seal for low pressure system | — | 2017-08-15 |
| 9677566 | Centrifugal compressor inlet guide vane control | — | 2017-06-13 |
| 9657747 | Motor rotor and air gap cooling | — | 2017-05-23 |
| 9080797 | Variable speed compressor | — | 2015-07-14 |
| 8328532 | Compressor muffler | — | 2012-12-11 |
| 8104298 | Lubrication system for touchdown bearings of a magnetic bearing compressor | — | 2012-01-31 |
| 8021126 | Compressor sound suppression | Lee G. Tetu, William P. Patrick | 2011-09-20 |
| 7635959 | VSD control | Steven J. Holden, Cornelius Holmes | 2009-12-22 |
| 7100737 | Muffler for noise reduction | — | 2006-09-05 |
| 7069741 | Economizer chamber for minimizing pressure pulsations | — | 2006-07-04 |
| 6932190 | Sound jacket for noise reduction in refrigeration apparatus | — | 2005-08-23 |
| 6901957 | Hot gas bypass isolation | — | 2005-06-07 |
| 6857445 | Float valve for pulsating flow | — | 2005-02-22 |
| 6851277 | Economizer chamber for minimizing pressure pulsations | — | 2005-02-08 |