McKenna; Douglas B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for McKenna; Douglas B..The latest application filed is for "adsorbent cartridge with accurate visual indicator".
- McKenna; Douglas B. - Avondale PA
- McKenna; Douglas B. - Elkton MD
- McKenna; Douglas B. - Dover DE
- McKenna; Douglas B. - Wilmington DE
| Patent | Date |
|---|---|
| Adsorbent Cartridge With Accurate Visual Indicator App 20210252247 - McKenna; Douglas B. ; et al. | 2021-08-19 |
| Adsorbent cartridge with accurate visual indicator Grant 10,994,091 - McKenna , et al. May 4, 2 | 2021-05-04 |
| Adsorbent Cartridge With Accurate Visual Indicator App 20190262573 - McKenna; Douglas B. ; et al. | 2019-08-29 |
| Durable adsorbent material and adsorbent packs and method of making same Grant 9,266,054 - McKenna , et al. February 23, 2 | 2016-02-23 |
| Adsorbent Cartridge Assembly With End Cap App 20140366738 - McKenna; Douglas B. ; et al. | 2014-12-18 |
| Adsorbent System for Removal of Gaseous Contaminants App 20140305309 - McKenna; Douglas B. ; et al. | 2014-10-16 |
| Adsorbent For Use As A Window Desiccant App 20140272207 - McKenna; Douglas B. ; et al. | 2014-09-18 |
| Adsorbent cartridge assembly with end cap Grant 8,821,619 - McKenna , et al. September 2, 2 | 2014-09-02 |
| Durable Adsorbent Material And Adsorbent Packs And Method Of Making Same App 20130276634 - McKenna; Douglas B. ; et al. | 2013-10-24 |
| Adsorbents and inhalation devices Grant 8,413,655 - McKenna , et al. April 9, 2 | 2013-04-09 |
| Adsorbent Cartridge Assembly With End Cap App 20120090470 - McKenna; Douglas B. ; et al. | 2012-04-19 |
| Adsorbent System for Removal of Gaseous Contaminants App 20110206572 - McKenna; Douglas B. ; et al. | 2011-08-25 |
| Adsorbents And Inhalation Devices App 20090301493 - McKenna; Douglas B. ; et al. | 2009-12-10 |
| Method of manufacturing and using enhanced carbon dioxide adsorbent Grant 7,329,307 - Hrycak , et al. February 12, 2 | 2008-02-12 |
| Enhanced carbon dioxide adsorbent Grant 7,326,280 - Hrycak , et al. February 5, 2 | 2008-02-05 |
| Enhanced carbon dioxide adsorbent App 20050160912 - Hrycak, Michael B. ; et al. | 2005-07-28 |
| Method of manufacturing and using enhanced carbon dioxide adsorbent App 20050160913 - Hrycak, Michael B. ; et al. | 2005-07-28 |
| Rebreather adsorbent system Grant 5,964,221 - McKenna October 12, 1 | 1999-10-12 |
| Multiple interface door for wafer storage and handling container Grant 5,713,711 - McKenna , et al. February 3, 1 | 1998-02-03 |
| Semiconductor wafer transport container Grant 5,570,987 - McKenna November 5, 1 | 1996-11-05 |
| Nonparticulating adsorbent recirculating filter Grant 5,538,545 - Dauber , et al. July 23, 1 | 1996-07-23 |
| ULPA filter Grant 5,507,847 - George , et al. April 16, 1 | 1996-04-16 |
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