DeVries; Douglas F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for DeVries; Douglas F..The latest application filed is for "ventilator with integrated cough-assist".
Company Profile
6.39.25
- DeVries; Douglas F. - Kenmore WA
- DeVries; Douglas F. - Yucaipa CA
- DeVries; Douglas F. - Redlands CA
- DeVries; Douglas F. - Redland CA
Patent Activity
| Patent | Date |
|---|---|
| Ventilator with integrated cough-assist Grant 11,291,791 - DeVries , et al. April 5, 2 | 2022-04-05 |
| Ventilator with integrated oxygen production Grant 11,247,015 - DeVries , et al. February 15, 2 | 2022-02-15 |
| Ventilator With Integrated Cough-assist App 20210290889 - DeVries; Douglas F. ; et al. | 2021-09-23 |
| Active exhalation valve Grant 10,576,237 - DeVries , et al. | 2020-03-03 |
| Ventilator With Integrated Oxygen Production App 20190262572 - DeVries; Douglas F. ; et al. | 2019-08-29 |
| Ventilator with integrated oxygen production Grant 10,315,002 - DeVries , et al. | 2019-06-11 |
| Ventilator with integrated oxygen production Grant 10,245,406 - DeVries , et al. | 2019-04-02 |
| Active Exhalation Valve App 20190054268 - DeVries; Douglas F. ; et al. | 2019-02-21 |
| Mechanical ventilation system utilizing bias valve Grant 10,118,011 - DeVries , et al. November 6, 2 | 2018-11-06 |
| Active exhalation valve Grant 10,105,509 - DeVries , et al. October 23, 2 | 2018-10-23 |
| Pressure swing adsorption oxygen generator Grant 10,046,134 - DeVries , et al. August 14, 2 | 2018-08-14 |
| Ventilator with integrated cough-assist Grant 9,956,371 - DeVries , et al. May 1, 2 | 2018-05-01 |
| Ventilator With Integrated Cough-assist App 20160279375 - DeVries; Douglas F. ; et al. | 2016-09-29 |
| Ventilator With Integrated Oxygen Production App 20160279363 - DeVries; Douglas F. ; et al. | 2016-09-29 |
| Pressure Swing Adsorption Oxygen Generator App 20160279372 - DeVries; Douglas F. ; et al. | 2016-09-29 |
| Ventilator With Integrated Oxygen Production App 20160279362 - DeVries; Douglas F. ; et al. | 2016-09-29 |
| Active Exhalation Valve App 20160279377 - DeVries; Douglas F. ; et al. | 2016-09-29 |
| Mechanical Ventilation System Utilizing Bias Valve App 20150374950 - DEVRIES; Douglas F. ; et al. | 2015-12-31 |
| Mechanical ventilation system utilizing bias valve Grant 9,126,002 - DeVries , et al. September 8, 2 | 2015-09-08 |
| Portable ventilator system Grant 8,683,997 - DeVries , et al. April 1, 2 | 2014-04-01 |
| Portable ventilator system Grant 8,627,819 - DeVries , et al. January 14, 2 | 2014-01-14 |
| Portable ventilator system Grant 8,522,780 - DeVries , et al. September 3, 2 | 2013-09-03 |
| Portable ventilator system Grant 8,297,279 - DeVries , et al. October 30, 2 | 2012-10-30 |
| Portable ventilator system Grant 8,156,937 - DeVries , et al. April 17, 2 | 2012-04-17 |
| Mechanical ventilation system utilizing bias valve Grant 8,118,024 - DeVries , et al. February 21, 2 | 2012-02-21 |
| Mechanical Ventilation System Utilizing Bias Valve App 20110088697 - DeVries; Douglas F. ; et al. | 2011-04-21 |
| Portable drag compressor powered mechanical ventilator Grant 7,849,854 - DeVries , et al. December 14, 2 | 2010-12-14 |
| Method and apparatus for attenuating compressor noise Grant 7,527,053 - DeVries , et al. May 5, 2 | 2009-05-05 |
| Portable Drag Compressor Powered Mechanical Ventilator App 20090084381 - DeVRIES; Douglas F. ; et al. | 2009-04-02 |
| Portable ventilator system App 20080053438 - DeVries; Douglas F. ; et al. | 2008-03-06 |
| Portable ventilator system App 20070163589 - DeVries; Douglas F. ; et al. | 2007-07-19 |
| Portable drag compressor powered mechanical ventilator App 20070144521 - DeVries; Douglas F. ; et al. | 2007-06-28 |
| Portable drag compressor powered mechanical ventilator Grant 7,222,623 - DeVries , et al. May 29, 2 | 2007-05-29 |
| Portable ventilator system Grant 7,188,621 - DeVries , et al. March 13, 2 | 2007-03-13 |
| Portable ventilator system App 20070000490 - DeVries; Douglas F. ; et al. | 2007-01-04 |
| Mechanical ventilation system utilizing bias valve App 20060249153 - DeVries; Douglas F. ; et al. | 2006-11-09 |
| Portable ventilator system App 20060213518 - DeVries; Douglas F. ; et al. | 2006-09-28 |
| Portable ventilator system App 20060144396 - DeVries; Douglas F. ; et al. | 2006-07-06 |
| Method and apparatus for attenuating compressor noise App 20050166921 - DeVries, Douglas F. ; et al. | 2005-08-04 |
| Portable drag compressor powered mechanical ventilator App 20050150494 - DeVries, Douglas F. ; et al. | 2005-07-14 |
| Portable drag compressor powered mechanical ventilator App 20050115564 - DeVries, Douglas F. ; et al. | 2005-06-02 |
| Method and apparatus for reducing noise in a roots-type blower App 20050112013 - DeVries, Douglas F. ; et al. | 2005-05-26 |
| Portable drag compressor powered mechanical ventilator Grant 6,877,511 - DeVries , et al. April 12, 2 | 2005-04-12 |
| Portable ventilator system App 20050051168 - DeVries, Douglas F. ; et al. | 2005-03-10 |
| Portable drag compressor powered mechanical ventilator App 20030230307 - DeVries, Douglas F. ; et al. | 2003-12-18 |
| Portable drag compressor powered mechanical ventilator Grant 6,526,970 - DeVries , et al. March 4, 2 | 2003-03-04 |
| Portable drag compressor powered mechanical ventilator App 20020005197 - DeVries, Douglas F. ; et al. | 2002-01-17 |
| Ventilator system Grant 6,152,135 - DeVries , et al. November 28, 2 | 2000-11-28 |
| Exhalation valve for mechanical ventilator Grant 6,102,038 - DeVries August 15, 2 | 2000-08-15 |
| Portable drag compressor powered mechanical ventilator Grant 5,881,722 - DeVries , et al. March 16, 1 | 1999-03-16 |
| Portable drag compressor powered mechanical ventilator Grant 5,868,133 - DeVries , et al. February 9, 1 | 1999-02-09 |
| Portable drag compressor powered mechanical ventilator Grant 5,694,926 - DeVries , et al. December 9, 1 | 1997-12-09 |
| Medical ventilator Grant 5,494,028 - DeVries , et al. February 27, 1 | 1996-02-27 |
| Ventilator exhalation valve Grant 5,127,400 - DeVries , et al. July 7, 1 | 1992-07-07 |
| Ventilator exhalation valve Grant 5,072,729 - DeVries December 17, 1 | 1991-12-17 |
| Ambient pressure air/oxygen blender Grant 5,014,694 - DeVries May 14, 1 | 1991-05-14 |
| Variable orifice flow sensing apparatus Grant 4,993,269 - Guillaume , et al. February 19, 1 | 1991-02-19 |
| Ventilator manifold Grant 4,794,922 - DeVries January 3, 1 | 1989-01-03 |
| Electronically-controlled gas blending system Grant 4,602,653 - Ruiz-Vela , et al. July 29, 1 | 1986-07-29 |
| Medical ventilator system Grant 4,527,557 - DeVries , et al. July 9, 1 | 1985-07-09 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 