Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311296 | Melt-blown depth filter element and method of making it | Travis Gerald STIFTER | 2025-05-27 |
| 11845019 | Large format melt-blown depth filter cartridge | Travis Gerald STIFTER | 2023-12-19 |
| 11266936 | Melt-blown depth filter element, method and machine of making it | Travis Gerald STIFTER | 2022-03-08 |
| 10179426 | Large format melt-blown depth filter cartridge | Travis Gerald STIFTER | 2019-01-15 |
| 6986427 | Three-dimensional non-woven media | Clinton V. Kopp, Michael J. Madsen, Philip M. Rolchigo, Travis Gerald STIFTER | 2006-01-17 |
| 6938781 | Three-dimensional non-woven filter | Clinton V. Kopp, Michael J. Madsen, Philip M. Rolchigo, Travis Gerald STIFTER | 2005-09-06 |
| 6916395 | Process for making three-dimensional non-woven media | Clinton V. Kopp, Michael J. Madsen, Philip M. Rolchigo, Travis Gerald STIFTER | 2005-07-12 |
| 6358417 | Non-woven depth filter element | Travis Gerald STIFTER, Donald A. Boothroyd | 2002-03-19 |
| 5478848 | Inhibition of arthritis by L-type calcium channel antagonists nimodipine, nisoldipine and nifedipine | — | 1995-12-26 |
| 5340479 | Depth filter cartridge and method and apparatus for making same | Joseph T. Szczepanski, Henry J. Schneider | 1994-08-23 |
| 4771125 | Human soluble immune response suppressor | H. William Schnaper | 1988-09-13 |
| 4665021 | Diagnostic method of screening for immune deficiency in a nephrotic patient by determination of SIRS in the urine | H. William Schnaper | 1987-05-12 |