Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328749 | Method and apparatus for accumulating liquid and initiating upward movement when pumping a well with a sealed fluid displacement device | — | 2008-02-12 |
| 7191838 | Method and apparatus for pumping wells with a sealing fluid displacement device | — | 2007-03-20 |
| 7100695 | Gas recovery apparatus, method and cycle having a three chamber evacuation phase and two liquid extraction phases for improved natural gas production | — | 2006-09-05 |
| 7080690 | Method and apparatus using traction seal fluid displacement device for pumping wells | — | 2006-07-25 |
| 6672392 | Gas recovery apparatus, method and cycle having a three chamber evacuation phase for improved natural gas production and down-hole liquid management | — | 2004-01-06 |
| 6463881 | Automatic cat litter device and method | — | 2002-10-15 |
| 5911278 | Calliope oil production system | — | 1999-06-15 |
| 5662066 | Automatic cat litter device and method | — | 1997-09-02 |