Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7001162 | Compressor assembly | Ewan Choroszylow, Howard Greenwald | 2006-02-21 |
| 6688857 | Compressor and dehydrator system | Ewan Choroszylow, Howard Greenwald | 2004-02-10 |
| 6676385 | Compressor assembly | Ewan Choroszylow, Howard Greenwald | 2004-01-13 |
| 6672065 | Multiple stage compressor with rotors using rollers | Ewan Choroszylow, Howard Greenwald | 2004-01-06 |
| 6571561 | Power generation system | Ewan Choroszylow, Howard Greenwald | 2003-06-03 |
| 6499301 | Rotary positive displacement device | Ewan Choroszylow, Howard Greenwald | 2002-12-31 |
| 6494043 | Distributed generation system | Ewan Choroszylow, Howard Greenwald | 2002-12-17 |
| 6484504 | Power generation system | Ewan Choroszylow, Howard Greenwald | 2002-11-26 |
| 6301898 | Rotary positive displacement device | Ewan Choroszylow, Howard Greenwald | 2001-10-16 |
| 6266952 | Process for controlling compressors | Ewan Choroszylow, Howard Greenwald | 2001-07-31 |
| 6213744 | Phased rotary displacement device | Ewan Choroszylow, Howard Greenwald | 2001-04-10 |
| 6000423 | Gas pressure maintenance booster system | Bruce D. Roloson, Ewan Choroszylow, Paul M. Crvelin, Robert W. Stiles, Jr. | 1999-12-14 |
| 5769619 | Tracked rotary positive displacement device | Paul M. Crvelin, Ewan Choroszylow | 1998-06-23 |
| 5600952 | Auxilliary drive apparatus | Ewan Choroszylow | 1997-02-11 |
| 5598618 | Mainrotor machining process and apparatus | Ewan Choroszylow | 1997-02-04 |
| 5503038 | Free floating multiple eccentric device | Ewan Choroszylow | 1996-04-02 |
| 5431551 | Rotary positive displacement device | Ewan Choroszylow | 1995-07-11 |