Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130292 | Polyarylene sulfide resin composition | Isaak Vasserman, Thomas C. Gsell | 2000-10-10 |
| 6110589 | Polyarylene sulfide melt blown fibers and products | Isaak Vasserman, Thomas C. Gsell | 2000-08-29 |
| 5714073 | Method of filtering a protein-containing fluid | David B. Pall, Thomas C. Gsell | 1998-02-03 |
| 5690873 | Polyarylene sulfide melt blowing methods and products | Isaak Vasserman, Thomas C. Gsell | 1997-11-25 |
| 5614095 | Filtration mediam support material and filter comprising same | Peter J. Degen, John B. Ronan, Jason Mei | 1997-03-25 |
| 5472537 | End capped fibrous filter making | Raymond T. Friel | 1995-12-05 |
| 5435957 | Method of preparing a support material for use with a filtration medium | Peter J. Degen, John B. Ronan, Jason Mei | 1995-07-25 |
| 5431829 | Polymethylpentene filtration medium | David B. Pall, Isaak Vasserman | 1995-07-11 |
| 5290446 | Helical wrapped filter element | Peter J. Degen, Clemens C. von Reitzenstein, Stephen A. Geibel, Raymond T. Friel | 1994-03-01 |
| 5205938 | Polyester bag filter | Frank A. Fiumano, Carl H. Meyers | 1993-04-27 |
| 5039413 | Spiral wrapped fluid treatment element | Peter J. Degen, Ronald Spinelli | 1991-08-13 |
| 4882056 | Fluid filter element with an overlapped wrap | Peter J. Degen | 1989-11-21 |
| 4726901 | Cylindrical fibrous structures with graded pore size | David B. Pall, Arthur Bradley, Timothy R. Brennan | 1988-02-23 |
| 4594202 | Method of making cylindrical fibrous filter structures | David B. Pall, Arthur Bradley, Timothy R. Brennan | 1986-06-10 |