Whitcher; Douglas Adam
Patent Applications and Registrations
Patent applications and USPTO patent grants for Whitcher; Douglas Adam.The latest application filed is for "portable oxygen concentrator".
- Whitcher; Douglas Adam - Oakmont PA
- Whitcher; Douglas Adam - Monroeville PA
- Whitcher; Douglas Adam - Atlanta GA US
- WHITCHER; DOUGLAS ADAM - MARIETTA GA
| Patent | Date |
|---|---|
| Portable oxygen concentration Grant 11,351,326 - Koerber , et al. June 7, 2 | 2022-06-07 |
| Portable Oxygen Concentrator App 20210260329 - Koerber; Achim ; et al. | 2021-08-26 |
| Oxygen Concentrator System And Method For Operating The Same App 20210229026 - Korber; Achim ; et al. | 2021-07-29 |
| Portable Oxygen Concentration App 20200155785 - KOERBER; ACHIM GERHARD ROLF ; et al. | 2020-05-21 |
| Proportional oxygen conserving device with flow sensing Grant 10,583,265 - Whitcher , et al. | 2020-03-10 |
| Portable Oxygen Concentrator Sieve Bed App 20180369741 - WHITCHER; DOUGLAS ADAM ; et al. | 2018-12-27 |
| System and method for liquefying a fluid and storing the liquefied fluid Grant 9,841,228 - Dickerson , et al. December 12, 2 | 2017-12-12 |
| Portable oxygen concentrator with integrated manifold Grant 9,321,001 - Whitcher , et al. April 26, 2 | 2016-04-26 |
| System And Method For Liquefying A Fluid And Storing The Liquefied Fluid App 20160003525 - DICKERSON; BRIAN EDWARD ; et al. | 2016-01-07 |
| Portable Oxygen Concentrator App 20140345609 - Whitcher; Douglas Adam ; et al. | 2014-11-27 |
| Portable Oxygen Concentrator With Integrated Manifold App 20140224126 - Whitcher; Douglas Adam ; et al. | 2014-08-14 |
| Proportional Oxygen Conserving Device Wiht Flow Sensing App 20140224246 - Whitcher; Douglas Adam ; et al. | 2014-08-14 |
| Oxygen Concentrator Supply Line Oberpressure Protection App 20140216453 - Whitcher; Douglas Adam | 2014-08-07 |
| Sytem And Method For Liquefying A Fluid And Storing The Liquefied Fluid App 20120180899 - Dickerson; Brian Edward ; et al. | 2012-07-19 |
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