Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933301 | Variable capacity screw compressor and method | Dennis R. Dorman | 2024-03-19 |
| 11852145 | Rotary compressors with variable speed and volume control | Jay H. Johnson, Gordon Powell, Daniel R. Crum | 2023-12-26 |
| 11486396 | Variable capacity screw compressor and method | Dennis R. Dorman | 2022-11-01 |
| 11351842 | Cascade heat transfer system | Stephen A. Kujak, Kenneth J. Schultz, Jeffrey B. Berge, Panayu Robert Srichai, Vladimir Sulc +1 more | 2022-06-07 |
| 11022117 | Variable capacity screw compressor and method | Dennis M. Beekman, Daniel R. Crum, Timothy Hagen, Dennis R. Dorman | 2021-06-01 |
| 10941770 | Variable capacity screw compressor and method | Dennis R. Dorman | 2021-03-09 |
| 10543737 | Cascade heat transfer system | Stephen A. Kujak, Kenneth J. Schultz, Jeffrey B. Berge, Panayu Robert Srichai, Vladimir Sulc +1 more | 2020-01-28 |
| 10533556 | Rotary compressors with variable speed and volume control | Jay H. Johnson, Gordon Powell, Daniel R. Crum | 2020-01-14 |
| 10352608 | Screw compressor drive control | David M. Foye, Nathan Thomas West, Dennis M. Beekman | 2019-07-16 |
| 10036386 | Structure for stabilizing an orbiting scroll in a scroll compressor | Scott J. Smerud, Michael Gerard Benco, Jerry A. Rood, Rodney L. Lakowske | 2018-07-31 |
| 9816506 | Intermediate oil separator for improved performance in a scroll compressor | Jerry A. Rood, Michael Gerard Benco, Scott J. Smerud, Rodney L. Lakowske | 2017-11-14 |
| 9784376 | Check valve assembly | Yahia Abdelhamid, Scott J. Smerud, Scott Michael Branch | 2017-10-10 |
| 9733002 | Screw compressor drive control | David M. Foye, Nathan Thomas West, Dennis M. Beekman | 2017-08-15 |
| 9657737 | Scroll compressor with pressurized oil balance piston | Scott J. Smerud, Michael Gerard Benco, Jerry A. Rood, Keith Adam Novak, Derrick Lepak +1 more | 2017-05-23 |
| 8875530 | Screw compressor drive control | David M. Foye, Nathan Thomas West, Dennis M. Beekman | 2014-11-04 |
| 8365544 | Screw compressor drive control | David M. Foye, Nathan Thomas West, Dennis M. Beekman | 2013-02-05 |
| 4411605 | Involute and laminated tip seal of labyrinth type for use in a scroll machine | — | 1983-10-25 |
| 4389171 | Gas compressor of the scroll type having reduced starting torque | David H. Eber | 1983-06-21 |