Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10882003 | Rotary valve assembly for sieve beds for pressure swing adsorption control | Robert W. Murdoch | 2021-01-05 |
| 10843120 | Rotary valve assembly for pressure swing adsorption system | Robert W. Murdoch | 2020-11-24 |
| 9486730 | Oxygen separator and method of generating oxygen | Peter L. Bliss, Rainer Hilbig, Achim Gerhard Rolf Koerber, Paul Van Der Sluis, Mareike Klee +1 more | 2016-11-08 |
| 9095811 | Oxygen concentration system and method | — | 2015-08-04 |
| 8535412 | Oxygen concentration system and method | — | 2013-09-17 |
| 8468839 | Portable liquid oxygen storage unit | Douglas Adam Whitcher, Robert J. Maddox, Jr. | 2013-06-25 |
| 8167988 | High output concentrator | Robert J. Maddox, Jr., Robert W. Murdoch | 2012-05-01 |
| 8147597 | Oxygen concentration system | Marvin Zeigler | 2012-04-03 |
| 7918925 | High output concentrator | Robert J. Maddox, Jr., Robert W. Murdoch | 2011-04-05 |
| 7780769 | High output concentrator | Robert J. Maddox, Jr., Robert W. Murdoch | 2010-08-24 |
| 7771511 | Oxygen concentration system and method | — | 2010-08-10 |
| 7763103 | Oxygen concentration system | Marvin Zeigler | 2010-07-27 |
| 7682429 | High output concentrator | Robert J. Maddox, Jr., Robert W. Murdoch | 2010-03-23 |
| 7429289 | High output concentrator | Robert J. Maddox, Jr., Robert W. Murdoch | 2008-09-30 |
| 7427315 | High output concentrator | Robert J. Maddox, Jr., Robert W. Murdoch | 2008-09-23 |
| D568998 | Liquid oxygen connector | Jeremy Webster Blair, Don Griffin, Douglas Adam Whitcher, Robert J. Maddox, Jr. | 2008-05-13 |
| D568997 | Liquid oxygen connector | Jeremy Webster Blair, Douglas Adam Whitcher, Don Griffin | 2008-05-13 |