Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10575571 | Flat-fold respirator with monocomponent filtration/stiffening monolayer | Seyed A. Angadjivand, John M. Brandner, Marvin E. Jones, Andrew R. Fox, Michael R. Berrigan +1 more | 2020-03-03 |
| 9770058 | Flat-fold respirator with monocomponent filtration/stiffening monolayer | Seyed A. Angadjivand, John M. Brandner, Marvin E. Jones, Andrew R. Fox, Michael R. Berrigan +1 more | 2017-09-26 |
| 8580182 | Process of making a molded respirator | Seyed A. Angadjivand, Andrew R. Fox, John D. Stelter, Timothy J. Lindquist, John M. Brandner | 2013-11-12 |
| 8506871 | Process of making a monocomponent non-woven web | John M. Brandner, William J. Kopecky, Seyed A. Angadjivand, Timothy J. Lindquist | 2013-08-13 |
| 8372175 | Pleated filter with bimodal monolayer monocomponent media | Andrew R. Fox, John D. Stelter, Seyed A. Angadjivand, Timothy J. Lindquist, John M. Brandner | 2013-02-12 |
| 8029723 | Method for making shaped filtration articles | Seyed A. Angadjivand, Marvin E. Jones, John M. Brandner, Timothy J. Lindquist | 2011-10-04 |
| 7989371 | Meltblown fiber web with staple fibers | Seyed A. Angadjivand, John M. Brandner | 2011-08-02 |
| 7989372 | Molded respirator comprising meltblown fiber web with staple fibers | Seyed A. Angadjivand, John M. Brandner | 2011-08-02 |
| 7902096 | Monocomponent monolayer meltblown web and meltblowing apparatus | John M. Brandner, William J. Kopecky, Seyed A. Angadjivand, Timothy J. Lindquist | 2011-03-08 |
| 7858163 | Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media | Seyed A. Angadjivand, Andrew R. Fox, John D. Stelter, Timothy J. Lindquist, John M. Brandner | 2010-12-28 |
| 7754041 | Pleated filter with bimodal monolayer monocomponent media | Andrew R. Fox, John D. Stelter, Seyed A. Angadjivand, Timothy J. Lindquist, John M. Brandner | 2010-07-13 |
| 6923182 | Crush resistant filtering face mask | Seyed A. Angadjivand, Thomas I. Insley | 2005-08-02 |
| 6827764 | Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers | Seyed A. Angadjivand | 2004-12-07 |
| 6234171 | Molded respirator containing sorbent particles | Leonard W. Barrett, Roberta C. Harper | 2001-05-22 |
| 6102039 | Molded respirator containing sorbent particles | Leonard W. Barrett, Roberta C. Harper | 2000-08-15 |
| 5617849 | Respirator having thermochromic fit-indicating seal | Leonard W. Barrett | 1997-04-08 |