Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378962 | Self-positioning volume slide control for screw compressor | Steven Fels, Abhijit Pande, Pallavi Narkhede | 2025-08-05 |
| 12372088 | Self-positioning volume slide control with position feedback for screw compressor | Steven Fels, Abhijit Pande, Pallavi Narkhede | 2025-07-29 |
| 12055145 | Self-positioning volume slide valve for screw compressor | Steven Fels | 2024-08-06 |
| 11867180 | Seal assembly for high pressure single screw compressor | Abhijit Pande, Pallavi Narkhede, Steven Fels | 2024-01-09 |
| 11859603 | 3D-printed oil separation for reciprocating compressors | Steven Fels, Steven Cihlar, Pruthviraj Nagnath Pawar | 2024-01-02 |
| 11530702 | High suction pressure single screw compressor with thrust balancing load using shaft seal pressure and related methods | Abhijit Pande | 2022-12-20 |
| 11378318 | Cascade system for use in economizer compressor and related methods | — | 2022-07-05 |
| 11136978 | High suction pressure single screw compressor with thrust balancing load using shaft seal pressure and related methods | Abhitjit Pande | 2021-10-05 |
| 11054178 | Crankcase oil separation for high pressure reciprocating compressors | Girish Natvarlal Mevada, Pruthviraj Nagnath Pawar, Steven Cihlar, David H. Anderson | 2021-07-06 |
| 9163634 | Apparatus and method for enhancing compressor efficiency | — | 2015-10-20 |
| 9057373 | Single screw compressor with high output | — | 2015-06-16 |
| 8500138 | Skateboard truck with replaceable hanger and hanger for skateboard truck | Andrew Visinski, Josef Visinski, Wayne Gallipoli | 2013-08-06 |
| 8202060 | Compressor having a high pressure slide valve assembly | — | 2012-06-19 |
| 7891955 | Compressor having a dual slide valve assembly | — | 2011-02-22 |
| 7011183 | Suction oil injection for rotary compressor | — | 2006-03-14 |
| 6767524 | Process to produce nearly oil free compressed ammonia and system to implement it | Bernard Zimmern | 2004-07-27 |
| 5195331 | Method of using a thermal expansion valve device, evaporator and flow control means assembly and refrigerating machine | Bernard Zimmern | 1993-03-23 |
| 5087182 | Casing construction for screw compression/expansion machines | Bernard Zimmern | 1992-02-11 |