Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9962515 | Ventilator exhalation flow valve | Adrian D. Desilva, Huy Thanh Vu | 2018-05-08 |
| 9962514 | Ventilator flow valve | Adrian D. Desilva, Huy Thanh Vu | 2018-05-08 |
| 9713438 | Flow sensor | Todd Allum, Joseph Cipollone | 2017-07-25 |
| 9433743 | Ventilator exhalation flow valve | Adrian D. Desilva, Huy Thanh Vu | 2016-09-06 |
| 9375166 | Flow sensor | Todd Allum, Joseph Cipollone | 2016-06-28 |
| 8888711 | Flow sensor | Todd Allum, Joseph Cipollone | 2014-11-18 |
| 8683997 | Portable ventilator system | Douglas F. DeVries, David Boyle, Michael Holmes | 2014-04-01 |
| 8677995 | Compressor control system for a portable ventilator | David Boyle, Michael Holmes | 2014-03-25 |
| 8627819 | Portable ventilator system | Douglas F. DeVries, David Boyle, Michael Holmes | 2014-01-14 |
| 8522780 | Portable ventilator system | Douglas F. DeVries, David Boyle, Michael Holmes | 2013-09-03 |
| 8297279 | Portable ventilator system | Douglas F. DeVries, David Boyle, Michael Holmes | 2012-10-30 |
| 8156937 | Portable ventilator system | Douglas F. DeVries, David Boyle, Michael Holmes | 2012-04-17 |
| 7849854 | Portable drag compressor powered mechanical ventilator | Douglas F. DeVries, Michael J. Cegielski, Warner V. Graves, Jr., Michael Holmes | 2010-12-14 |
| 7607437 | Compressor control system and method for a portable ventilator | David Boyle, Michael Holmes | 2009-10-27 |
| 7527053 | Method and apparatus for attenuating compressor noise | Douglas F. DeVries | 2009-05-05 |
| 7222623 | Portable drag compressor powered mechanical ventilator | Douglas F. DeVries, Michael J. Cegielski, Warner V. Graves, Jr., Michael Holmes | 2007-05-29 |
| 7188621 | Portable ventilator system | Douglas F. DeVries, David Boyle, Michael Holmes | 2007-03-13 |
| 6877511 | Portable drag compressor powered mechanical ventilator | Douglas F. DeVries, Michael J. Cegielski, Warner V. Graves, Jr., Michael Holmes | 2005-04-12 |
| 6526970 | Portable drag compressor powered mechanical ventilator | Douglas F. DeVries, Michael J. Cegielski, Warner V. Graves, Jr., Michael Holmes | 2003-03-04 |
| 6046518 | Axial gap electrical machine | — | 2000-04-04 |
| 5881722 | Portable drag compressor powered mechanical ventilator | Douglas F. DeVries, Michael J. Cegielski, Warner V. Graves, Jr., Michael Holmes | 1999-03-16 |
| 5868133 | Portable drag compressor powered mechanical ventilator | Douglas F. DeVries, Michael J. Cegielski, Warner V. Graves, Jr., Michael Holmes | 1999-02-09 |
| 5694926 | Portable drag compressor powered mechanical ventilator | Douglas F. DeVries, Michael J. Cegielski, Warner V. Graves, Jr., Michael Holmes | 1997-12-09 |
| 5127400 | Ventilator exhalation valve | Douglas F. DeVries, J. Kelly Dack, Randy P. Hagen, Darrell W. Guillaume | 1992-07-07 |
| 4268885 | GFI Sensor circuit | — | 1981-05-19 |