Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410803 | Gas bearing management for a compressor | Jacob T. Helgerson | 2025-09-09 |
| 12292219 | Refrigerant circuit compressor gas bearing feed | Jacob T. Helgerson, Robert S. Bakkestuen | 2025-05-06 |
| 12146497 | Gas bearing management for a compressor | Jacob T. Helgerson | 2024-11-19 |
| 12065934 | Aerostatic thrust bearing and method of aerostatically supporting a thrust load in a scroll compressor | Michael Gerard Benco, Sung Hwa Jeung, Scott J. Smerud, James Joseph Wiltzius | 2024-08-20 |
| 11959483 | Variable economizer injection position | — | 2024-04-16 |
| 11916444 | Electric loss shunting in a chiller-compressor-motor-drive system | Richard M. Heiden, Joseph M. Heger, Charles J. Peterson | 2024-02-27 |
| 11892031 | Bearing for supporting a rotating compressor shaft | Sung Hwa Jeung, Charles Roesler, Donald Lee Hill, Joseph M. Heger | 2024-02-06 |
| 11867230 | Porous gas bearing | Sung Hwa Jeung, Donald Lee Hill, Matthew Cambio | 2024-01-09 |
| 11852145 | Rotary compressors with variable speed and volume control | John R. Sauls, Gordon Powell, Daniel R. Crum | 2023-12-26 |
| 11852150 | Gas bearing management for a compressor | Jacob T. Helgerson | 2023-12-26 |
| 11725859 | System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller | — | 2023-08-15 |
| 11566663 | Bearing for supporting a rotating compressor shaft | Sung Hwa Jeung, Charles Roesler, Donald Lee Hill, Joseph M. Heger | 2023-01-31 |
| 11473621 | Porous gas bearing | Sung Hwa Jeung, Donald Lee Hill, Matthew Cambio | 2022-10-18 |
| 11415135 | Aerostatic thrust bearing and method of aerostatically supporting a thrust load in a scroll compressor | Michael Gerard Benco, Sung Hwa Jeung, Scott J. Smerud, James Joseph Wiltzius | 2022-08-16 |
| 11187449 | System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller | — | 2021-11-30 |
| 11137183 | Phobic/philic structures in refrigeration systems and liquid vapor separation in refrigeration systems | Ronald Maurice Cosby, II, Stephen A. Kujak | 2021-10-05 |
| 11031848 | Electric motor with harmonic shunting | Richard M. Heiden, Joseph M. Heger, Charles J. Peterson | 2021-06-08 |
| 10883744 | Converting compressor to variable VI compressor | Robert S. Bakkestuen | 2021-01-05 |
| 10865792 | Aerostatic thrust bearing and method of aerostatically supporting a thrust load in a scroll compressor | Michael Gerard Benco, James Joseph Wiltzius | 2020-12-15 |
| 10837445 | Variable economizer injection position | — | 2020-11-17 |
| 10774873 | Porous gas bearing | Sung Hwa Jeung, Donald Lee Hill, Matthew Cambio | 2020-09-15 |
| 10753392 | Porous gas bearing | Sung Hwa Jeung, Donald Lee Hill, Matthew Cambio | 2020-08-25 |
| 10746176 | Compressor control for increased efficiency | Alberto Scala | 2020-08-18 |
| 10738781 | Active clearance management in screw compressor | Steven Lotspaih | 2020-08-11 |
| 10718333 | Aerostatic thrust bearing method and method of aerostatically supporting a thrust load in a scroll compressor | Michael Gerard Benco | 2020-07-21 |