Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12005277 | Respirator having optically active exhalation valve | Caroline M. Ylitalo, Gina M. Buccellato, James M. Jonza, William W. Merrill, Douglas S. Dunn +1 more | 2024-06-11 |
| 10905903 | Respirator having optically active exhalation valve | Caroline M. Ylitalo, Gina M. Buccellato, James M. Jonza, William W. Merrill, Douglas S. Dunn +1 more | 2021-02-02 |
| 10137321 | Filtering face-piece respirator having an integrally-joined exhalation valve | — | 2018-11-27 |
| 10130833 | Reinforced filter media | Seyed A. Angadjivand, Marvin E. Jones, John M. Brandner | 2018-11-20 |
| D746974 | Exhalation valve flap | Caroline M. Ylitalo | 2016-01-05 |
| 9216306 | Filter element that has plenum containing bonded continuous filaments | Seyed A. Angadjivand, David B. Running | 2015-12-22 |
| 8967147 | Filtering face-piece respirator having an auxetic mesh in the mask body | — | 2015-03-03 |
| 8757156 | Face mask with unidirectional multi-flap valve | Michael K. Domroese | 2014-06-24 |
| 8728369 | Method of making an auxetic mesh | Randall L. Alberg | 2014-05-20 |
| D676527 | Unidirectional valve | Thomas J. Xue, Michael K. Domroese, David M. Blomberg, Nathan A. Abel | 2013-02-19 |
| 8365771 | Unidirectional valves and filtering face masks comprising unidirectional valves | Thomas J. Xue, Michael K. Domroese, Nathan A. Abel | 2013-02-05 |
| 8342180 | Filtering face-piece respirator that has expandable mask body | Yonas Gebrewold, Daniel J. Stepan, Audra A. Wilson, Christopher P. Henderson, Thomas G. Skulley +4 more | 2013-01-01 |
| 8118026 | Filtering face-piece respirator support structure that has living hinges | Yonas Gebrewold, Thomas G. Skulley, Erik J. Johnson, Lance E. Behymer, Dwayne D. Daugaard +1 more | 2012-02-21 |
| 7503326 | Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap | — | 2009-03-17 |
| 7188622 | Filtering face mask that has a resilient seal surface in its exhalation valve | Jianxian Xue | 2007-03-13 |
| 7028689 | Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap | Jianxian Xue | 2006-04-18 |
| 7013895 | Exhalation and inhalation valves that have a multi-layered flexible flap | Jianxian Xue | 2006-03-21 |
| 6159293 | Magnetic containment of hot dip coating bath | Anatoly Kolesnichenko, Volodimir Vodyanyuk, James J. Deegan, William A. Carter | 2000-12-12 |
| 6080482 | Undrawn, tough, durably melt-bondable, macodenier, thermoplastic, multicomponent filaments | Gary L. Olson, Dennis G. Welygan | 2000-06-27 |
| 6037011 | Hot dip coating employing a plug of chilled coating metal | James J. Deegan, William A. Carter, Howard L. Gerber, Ismael G. Saucedo, Joseph W. Sliwa +1 more | 2000-03-14 |
| 6036313 | Thermoplastic lens blocking material | Sharon R. Benjamin, Michael Govek, Patrick D. Hyde, John H. Ko, Joel D. Oxman +5 more | 2000-03-14 |
| 6013347 | Method of continuous tone imaging to provide an imaged high loft mat product | Gary L. Olson, Gerald A. Ridlehoover, Randall R. Schickler | 2000-01-11 |
| 5972463 | Undrawn, tough, durably melt-bondable, macrodenier, thermoplastic, multicomponent filaments | Gary L. Olson, Dennis G. Welygan | 1999-10-26 |
| 5919563 | Conformable tape for bonding a thermoplastic lens blocking material | William L. Parish, Patrick D. Hyde | 1999-07-06 |
| 5827390 | Method of holding an ophthalmic lens blank | Sharon R. Benjamin, Michael Govek, Patrick D. Hyde, John H. Ko, Joel D. Oxman +5 more | 1998-10-27 |