Eitzman; Philip D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Eitzman; Philip D..The latest application filed is for "exhalation valve and respirator including same".
- Eitzman; Philip D. - Lake Elmo MN
- Eitzman; Philip D. - Woodbury MN
| Patent | Date |
|---|---|
| Exhalation Valve And Respirator Including Same App 20210283434 - Eitzman; Philip D. ; et al. | 2021-09-16 |
| Pleated Air Filter With Bridging Filaments And Continuous-contact Filaments App 20210229022 - Zhang; Zhiqun ; et al. | 2021-07-29 |
| Valve cover Grant D900,306 - Eitzman , et al. October 27, 2 | 2020-10-27 |
| Valve cover Grant D882,758 - Eitzman , et al. | 2020-04-28 |
| Valve cover Grant D849,245 - Eitzman , et al. | 2019-05-21 |
| Valve cover with diamond pattern Grant D843,562 - Eitzman , et al. | 2019-03-19 |
| Valve cover Grant D842,983 - Eitzman , et al. | 2019-03-12 |
| Valve cover with openings Grant D828,546 - Eitzman , et al. September 11, 2 | 2018-09-11 |
| Valve cover Grant D827,811 - Eitzman , et al. September 4, 2 | 2018-09-04 |
| Valve cover with openings Grant D827,812 - Eitzman , et al. September 4, 2 | 2018-09-04 |
| Respirator That Has Inward Nose Region Fold With High Level Conformation App 20180169447 - Eitzman; Philip D. ; et al. | 2018-06-21 |
| Respirator having folded nose region Grant D704,824 - Duffy , et al. May 13, 2 | 2014-05-13 |
| Respirator That Has Inward Nose Region Fold With High Level Conformation App 20110315144 - Eitzman; Philip D. ; et al. | 2011-12-29 |
| Process of making a fibrous electret web Grant 6,824,718 - Eitzman , et al. November 30, 2 | 2004-11-30 |
| Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid App 20020190434 - Eitzman, Philip D. ; et al. | 2002-12-19 |
| Method of making a fibrous electret web using a nonaqueous polar liquid Grant 6,454,986 - Eitzman , et al. September 24, 2 | 2002-09-24 |
| Apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid App 20020110610 - Angadjivand, Seyed A. ; et al. | 2002-08-15 |
| Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid Grant 6,406,657 - Eitzman , et al. June 18, 2 | 2002-06-18 |
| Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid Grant 6,375,886 - Angadjivand , et al. April 23, 2 | 2002-04-23 |
| Cartridge filters with insoluble enzyme particulates contained thereon Grant 5,614,105 - Heilmann , et al. March 25, 1 | 1997-03-25 |
| Cartridge filters with insoluble enzyme particulates contained thereon Grant 5,478,466 - Heilmann , et al. December 26, 1 | 1995-12-26 |
| Method of isolating and purifying a biomacromolecule Grant 5,468,847 - Heilmann , et al. November 21, 1 | 1995-11-21 |
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