Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006235 | Barrier flange filter assembly including cover | — | 1991-04-09 |
| 4826597 | Filter assembly with removable sheet | Bernard F. Silverwater | 1989-05-02 |
| 4783256 | Adapter assembly for filter arrangement | Walter A. Mordes, Jr. | 1988-11-08 |
| 4465595 | Apparatus for assembly and dissassembly of a filter construction | — | 1984-08-14 |
| 4410428 | Duplex cam-operated pressure-balanced sleeve valve | — | 1983-10-18 |
| 4316801 | Filter assembly with jacked filter cannister | — | 1982-02-23 |
| RE30779 | Filter assembly with replaceable filter element | — | 1981-10-20 |
| 4274445 | Pressure balanced three-way transfer valve | — | 1981-06-23 |