Healey; David Thomas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Healey; David Thomas.The latest application filed is for "waved filter media and elements".
- Healey; David Thomas - Bellingham MA US
- Healey; David Thomas - Christiansburg VA
- Healey, David Thomas - Christianburg VA
| Patent | Date |
|---|---|
| Meltblown filter medium Grant 8,608,817 - Wertz , et al. December 17, 2 | 2013-12-17 |
| Waved Filter Media And Elements App 20120304602 - Healey; David Thomas ; et al. | 2012-12-06 |
| Waved filter media and elements Grant 8,197,569 - Healey , et al. June 12, 2 | 2012-06-12 |
| Waved Filter Media And Elements App 20110162337 - Healey; David Thomas ; et al. | 2011-07-07 |
| Waved filter media and elements Grant 7,883,562 - Healey , et al. February 8, 2 | 2011-02-08 |
| Meltblown Filter Medium App 20090120048 - Wertz; John A. ; et al. | 2009-05-14 |
| Waved Filter Media And Elements App 20080202078 - Healey; David Thomas ; et al. | 2008-08-28 |
| Filter media Grant 6,858,057 - Healey February 22, 2 | 2005-02-22 |
| Filter media App 20040035095 - Healey, David Thomas | 2004-02-26 |
| High efficiency ashrae filter media App 20030203696 - Healey, David Thomas | 2003-10-30 |
| Filter media Grant 6,554,881 - Healey April 29, 2 | 2003-04-29 |
| Filter media with enhanced stiffness and increased dust holding capacity App 20020187701 - Healey, David Thomas | 2002-12-12 |
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