Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924028 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2005-08-02 |
| 6875256 | Methods for filtering air for a gas turbine system | Gary R. Gillingham, Thomas M. Weik | 2005-04-05 |
| 6875249 | Motor vehicle filter structure having visual indicator of useful life | — | 2005-04-05 |
| 6800117 | Filtration arrangement utilizing pleated construction and method | Marty Barris, Thomas M. Weik | 2004-10-05 |
| 6746517 | Filter structure with two or more layers of fine fiber having extended useful service life | James Benson, Douglas G. Crofoot, Thomas M. Weik | 2004-06-08 |
| 6743273 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures | Hoo Y. Chung, John R. B. Hall, Douglas G. Crofoot, Thomas M. Weik | 2004-06-01 |
| 6740142 | Industrial bag house elements | John M. Buettner, James A. LeBlanc, Thomas M. Weik | 2004-05-25 |
| 6716274 | Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream | Thomas M. Weik | 2004-04-06 |
| 6673136 | Air filtration arrangements having fluted media constructions and methods | Gary R. Gillingham, Thomas M. Weik | 2004-01-06 |
| 6638339 | Air filter assembly for low temperature catalytic processes | Andrew J. Dallas, Kristine M. Graham, Daniel E. Adamek, Robert Skuster | 2003-10-28 |
| 6432177 | Air filter assembly for low temperature catalytic processes | Andrew J. Dallas, Kristine M. Graham, Daniel E. Adamek, Robert Skuster | 2002-08-13 |
| 6368386 | Filter construction resistant to the passage of water soluble materials; and method | Benny K. Nelson | 2002-04-09 |
| 6123751 | Filter construction resistant to the passage of water soluble materials; and method | Benny K. Nelson | 2000-09-26 |
| 5203201 | On-line web filtration efficiency test method | — | 1993-04-20 |
| 4779448 | Photoelectric bubble detector apparatus and method | — | 1988-10-25 |