Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385491 | Direct drive refrigerant screw compressor with refrigerant lubricated rotors | Amit Vaidya, Ulf J. Jonsson, Zaffir A. Chaudhry, David M. Rockwell | 2025-08-12 |
| 12055143 | Screw compressor with adjustable passage | David Okhman, David M. Rockwell, Amit Vaidya, Brandon Schwoeppe, Joshua S. Lavoie | 2024-08-06 |
| 11959484 | Direct drive refrigerant screw compressor with refrigerant lubricated bearings | David M. Rockwell, Amit Vaidya | 2024-04-16 |
| 11959673 | Enhanced method of lubrication for refrigeration compressors | Jeremy Wallet-Laily, Ulf J. Jonsson, Charbel Rahhal, Nicolas Fonte, Zaffir A. Chaudhry +4 more | 2024-04-16 |
| 11898561 | Direct drive refrigerant screw compressor with refrigerant lubricated rotors | Amit Vaidya, Ulf J. Jonsson, Zaffir A. Chaudhry, David M. Rockwell | 2024-02-13 |
| 10288070 | Screw compressor with oil shutoff and method | Masao Akei | 2019-05-14 |