Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7001517 | Collapsible filter element | — | 2006-02-21 |
| 6712967 | Liquid filter assembly with concentric filter sleeves of bag-type media | — | 2004-03-30 |
| 6706198 | Liquid filtering in concentric filter sleeve assembly | — | 2004-03-16 |
| 6585892 | Concentrically-arranged flexible media and support basket with second stage cartridge filter | — | 2003-07-01 |
| 6585893 | Concentrically-arranged, multi-sleeve bag-type filter element assembly | — | 2003-07-01 |
| 6511598 | Concentrically arranged filter element assembly | — | 2003-01-28 |
| 6255620 | Filter bag assembly line and method | Walter Booth | 2001-07-03 |
| 6238560 | Collapsible filter element assembly | — | 2001-05-29 |
| 6136192 | Filter bag and sealing ring therefor | Walter Booth, Leonard Falcone | 2000-10-24 |
| 6030531 | Filter element assembly | — | 2000-02-29 |
| 5755962 | Filter bag and process of manufacture | Robert S. Elliott, John Pearson, Edward G. Malawer | 1998-05-26 |
| 5417855 | Filter bag subassembly | — | 1995-05-23 |
| 5358638 | Multiple layer filter bag including abrasion-resistant material | — | 1994-10-25 |
| 5075004 | Filter bag seal | John Dragasevich, J. Michael Donahue | 1991-12-24 |
| 5045194 | Filter apparatus having a bag with handles | — | 1991-09-03 |
| 5039410 | Filter apparatus having a bag with a gasket | — | 1991-08-13 |
| 4877198 | Device for grounding conductive film | Mark L. Moskowitz | 1989-10-31 |
| 4853030 | Method and apparatus for the manufacture of metallic filaments | Thomas SCHELL | 1989-08-01 |
| 4732085 | Smoke generation apparatus and process using magnetic field | Mark L. Moskowitz | 1988-03-22 |