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Exhalation valve and respirator including same |
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2024-08-27 |
| 12017175 |
Pleated air filter with bridging filaments and continuous-contact filaments |
Zhiqun Zhang, Nhat Ha T. Nguyen, Jimmy M. Le, Glen O. Gregerson, Bryan L. Gerhardt |
2024-06-25 |
| D900306 |
Valve cover |
Thomas J. Xue |
2020-10-27 |
| D882758 |
Valve cover |
Thomas J. Xue |
2020-04-28 |
| D849245 |
Valve cover |
Thomas J. Xue |
2019-05-21 |
| D843562 |
Valve cover with diamond pattern |
Thomas J. Xue |
2019-03-19 |
| D842983 |
Valve cover |
Thomas J. Xue |
2019-03-12 |
| D828546 |
Valve cover with openings |
Thomas J. Xue |
2018-09-11 |
| D827812 |
Valve cover with openings |
Thomas J. Xue |
2018-09-04 |
| D827811 |
Valve cover |
Thomas J. Xue |
2018-09-04 |
| D704824 |
Respirator having folded nose region |
Dean R. Duffy |
2014-05-13 |
| 6824718 |
Process of making a fibrous electret web |
Alan D. Rousseau |
2004-11-30 |
| 6454986 |
Method of making a fibrous electret web using a nonaqueous polar liquid |
Alan D. Rousseau, Marvin E. Jones, Seyed A. Angadjivand |
2002-09-24 |
| 6406657 |
Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid |
Alan D. Rousseau |
2002-06-18 |
| 6375886 |
Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid |
Seyed A. Angadjivand, Michael G. Schwartz, Marvin E. Jones |
2002-04-23 |
| 5614105 |
Cartridge filters with insoluble enzyme particulates contained thereon |
Steven M. Heilmann, Gary J. Drtina, Louis C. Haddad, Frederick W. Hyde, Todd W. Johnson |
1997-03-25 |
| 5478466 |
Cartridge filters with insoluble enzyme particulates contained thereon |
Steven M. Heilmann, Gary J. Drtina, Louis C. Haddad, Frederick W. Hyde, Todd W. Johnson |
1995-12-26 |
| 5468847 |
Method of isolating and purifying a biomacromolecule |
Steven M. Heilmann, Gary J. Drtina, Louis C. Haddad, Frederick W. Hyde, Todd W. Johnson +2 more |
1995-11-21 |
