Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815086 | Fluid filter assembly | — | 2014-08-26 |
| 8083087 | Vessel lock down system | Gunther E. Asterlin | 2011-12-27 |
| 7955407 | Filtration element having a variable density sidewall | — | 2011-06-07 |
| 7087129 | Method of forming an impregnated micro-fiber filtration unit | Gunther E. Asterlin | 2006-08-08 |
| 6921448 | Impregnated micro-fiber filtration unit | — | 2005-07-26 |
| 6607660 | Liquid filtration device with backwashing feature | — | 2003-08-19 |
| 6572724 | Method for producing an improved seamless bag by heat sealing | Gunther E. Asterlin | 2003-06-03 |
| 5918756 | Vessel lock down system | — | 1999-07-06 |
| 5527463 | Liquid filtering device including a vessel and cartridge having cooperating support | — | 1996-06-18 |
| 5514275 | Smooth wall filter vessel and liner | — | 1996-05-07 |
| 5376271 | Liquid filtration unit | — | 1994-12-27 |
| 5251776 | Pressure vessel | James Hall | 1993-10-12 |
| 4983292 | Seamless filter bag and method of its manufacture | — | 1991-01-08 |
| 4460468 | Liquid filter with combined filtration bag and lid sealing gasket | — | 1984-07-17 |