Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976890 | Concentrically heated inlet tube for gas scrubbing apparatus | Husain Lohawala, Mark Johnsgard | 2024-05-07 |
| 9138679 | Systems and methods to prevent back-flash in an abatement system | Robert T. LoBianco, Mark Johnsgard | 2015-09-22 |
| 9023303 | Extended or multiple reaction zones in scrubbing apparatus | Robert T. LoBianco, Mark Johnsgard | 2015-05-05 |
| 7176417 | Apparatuses and methods for resistively heating a thermal processing system | Kristian E. Johnsgard, David Sallows | 2007-02-13 |
| 6902622 | Systems and methods for epitaxially depositing films on a semiconductor substrate | Kristian E. Johnsgard, David Sallows, Robert D. Mailho, Mark Johnsgard | 2005-06-07 |