Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10786776 | High purity gas purifier | Stenio da Costa Pereira, Rocky D. Gipson | 2020-09-29 |
| 10159927 | High purity gas purifier | Stenio da Costa Pereira, Rocky D. Gipson | 2018-12-25 |
| 9694319 | Gas purifier | Abneesh Srivastava, Thomas Richard Gaffney, Joshua T. Cook, Daimhin Paul Murphy, Stenio da Costa Pereira | 2017-07-04 |
| 6408849 | Recovery and purification of gases used in medical processes | Jeffrey J. Spiegelman, Daniel Alvarez, Jr., Joshua T. Cook | 2002-06-25 |
| 6361696 | Self-regenerative process for contaminant removal from liquid and supercritical CO2 fluid streams | Jeffrey J. Spiegelman, Daniel Alvarez, Jr., Joshua T. Cook | 2002-03-26 |
| 6350300 | Gas purification apparatus | Jeffrey J. Spiegelman | 2002-02-26 |
| D452552 | Offset filter housing | Jeffrey J. Spiegelman | 2001-12-25 |
| 6227035 | Gas module orifice automated test fixture | Gregory D. Rice | 2001-05-08 |
| 6164116 | Gas module valve automated test fixture | Gregory D. Rice | 2000-12-26 |
| 6089282 | Method for recovery and reuse of gas | Jeffrey J. Spiegelman | 2000-07-18 |