Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597071 | Apparatus and method for establishing dual compression ratios within an internal combustion engine to improve mileage | — | 2009-10-06 |
| 7083736 | Oil separator | — | 2006-08-01 |
| 6358406 | Vacuum fluid filter | — | 2002-03-19 |
| 6319400 | Deep bed filtration system | — | 2001-11-20 |
| 6200490 | Method of oil separation | — | 2001-03-13 |
| 6186340 | Cylindrical drum filter having two parallel circular circumferentially spaced support rods | — | 2001-02-13 |
| 5989415 | Oil seperator | — | 1999-11-23 |
| 5874008 | Purification of machine tool coolant via tramp oil injection to effectuate coalescence of target contaminant tramp oil | — | 1999-02-23 |
| 5795478 | Oil extraction system | — | 1998-08-18 |
| 5549823 | System for purifying a soluble oil emulsion | — | 1996-08-27 |
| 5505861 | System for gravity settling of fine particles from a liquid | — | 1996-04-09 |
| 5139670 | Rotating drum filter | — | 1992-08-18 |
| 5112485 | Drum filter | — | 1992-05-12 |
| 4826589 | Bar screen filter | — | 1989-05-02 |
| 4826596 | Drum filter having a media supply roll and reroll drum | — | 1989-05-02 |
| 4673425 | Disposable liner for paint booth grating | — | 1987-06-16 |
| 4530767 | Method of oil coagulation utilizing entrained gas | — | 1985-07-23 |
| 4326964 | Granular filter medium | — | 1982-04-27 |
| 4274961 | Pressure filter | — | 1981-06-23 |
| 4242205 | Traveling belt filter | — | 1980-12-30 |
| 4230572 | Filter method and apparatus | — | 1980-10-28 |
| 4197205 | Deep bed filter | — | 1980-04-08 |
| 4197208 | Synthetic granular filter material | — | 1980-04-08 |
| 4190533 | Filter method | — | 1980-02-26 |