Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956370 | Oxygen concentrator apparatus and method having flow restricted coupling of the canisters | William R. Wilkinson, J. David Shockley, Jr. | 2018-05-01 |
| 9649464 | Oxygen concentrator apparatus and method having an ultrasonic detector | William R. Wilkinson, H. David Shockley, Jr. | 2017-05-16 |
| 9649465 | Oxygen concentrator apparatus and method having variable operation modes | William R. Wilkinson, H. David Shockley, Jr. | 2017-05-16 |
| 8988070 | Metal detector for use with conductive media | — | 2015-03-24 |
| 8915248 | Oxygen concentrator apparatus and method with an oxygen assisted venting system | William R. Wilkinson, H. David Shockley, Jr. | 2014-12-23 |
| 8794237 | Oxygen concentrator apparatus and method having flow restricted coupling of the canisters | William R. Wilkinson, H. David Shockley, Jr. | 2014-08-05 |
| 8603228 | Power management systems and methods for use in an oxygen concentrator | William R. Wilkinson, Alaa Hassan | 2013-12-10 |
| 7701204 | Metal detector with reliable identification of ferrous and non-ferrous metals in soils with varying mineral content | — | 2010-04-20 |
| 7701337 | Hybrid-technology metal detector | — | 2010-04-20 |
| 7664545 | Electrode assembly for constant-current electroporation and use | William R. Wilkinson, Ruxandra Draghia-Akli, Robert H. Carpenter, Douglas R. Kern | 2010-02-16 |
| 7656153 | Metal detector with improved receiver coil | — | 2010-02-02 |
| D606655 | Portable oxygen concentrator | William R. Wilkinson, H. David Shockley, Jr. | 2009-12-22 |
| 7245963 | Electrode assembly for constant-current electroporation and use | Ruxandra Draghia-Akli, Robert H. Carpenter, Douglas R. Kern, William R. Wilkinson | 2007-07-17 |