Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10967315 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2021-04-06 |
| 10272374 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2019-04-30 |
| 9718012 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2017-08-01 |
| 8709118 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2014-04-29 |
| 8512431 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2013-08-20 |
| 8366797 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2013-02-05 |
| 8334121 | Method of converting cellulosic biomass to alcohol using web comprising fine fiber and bioactive particulate | Melvin S. Schindler, Veli E. Kalayci | 2012-12-18 |
| 8118901 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2012-02-21 |
| 8029588 | Fine fiber media layer | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2011-10-04 |
| 7758674 | Air filter assembly for low temperature catalytic processes | Andrew J. Dallas, Kristine M. Graham, Daniel E. Adamek, Robert Skuster | 2010-07-20 |
| 7318852 | Bag house filter with fine fiber and spun bonded media | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2008-01-15 |
| 7318853 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2008-01-15 |
| 7316723 | Air filter with fine fiber and spun bonded media | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2008-01-08 |
| 7270692 | Air filtration arrangements having fluted media constructions and methods | Gary R. Gillingham, Thomas M. Weik | 2007-09-18 |
| 7270693 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2007-09-18 |
| 7179317 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2007-02-20 |
| 7115150 | Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method | Bruce Johnson | 2006-10-03 |
| 7101419 | Air filter assembly for low temperature catalytic processes | Andrew J. Dallas, Kristine M. Graham, Daniel E. Adamek, Robert Skuster | 2006-09-05 |
| 7090715 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2006-08-15 |
| 7090712 | Air filtration arrangements having fluted media construction and methods | Gary R. Gillingham, Thomas M. Weik | 2006-08-15 |
| 7070640 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2006-07-04 |
| 7008465 | Cleanable high efficiency filter media structure and applications for use | Kristine M. Graham, Timothy H. Grafe | 2006-03-07 |
| 6994742 | Filtration arrangement utilizing pleated construction and method | Marty Barris, Thomas M. Weik | 2006-02-07 |
| 6974490 | Air filtration arrangements having fluted media constructions and methods | Gary R. Gillingham, Thomas M. Weik | 2005-12-13 |
| 6955775 | Process if making fine fiber material | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2005-10-18 |