Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490665 | Variable frequency temperature limited heaters | Chester Ledlie Sandberg, Harold J. Vinegar | 2009-02-17 |
| 7485512 | Method of manufacturing an adaptive AIGaN buffer layer | Thomas Gehrke, T. Warren Weeks, Jr., Cem Basceri, Elif Berkman | 2009-02-03 |
| 7481274 | Temperature limited heaters with relatively constant current | Harold J. Vinegar, Chester Ledlie Sandberg | 2009-01-27 |
| 7383877 | Temperature limited heaters with thermally conductive fluid used to heat subsurface formations | Harold J. Vinegar | 2008-06-10 |
| 7370704 | Triaxial temperature limited heater | — | 2008-05-13 |
| 7364988 | Method of manufacturing gallium nitride based high-electron mobility devices | Thomas Gehrke, T. Warren Weeks, Jr., Cem Basceri | 2008-04-29 |
| 7360588 | Thermal processes for subsurface formations | Harold J. Vinegar, Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow +9 more | 2008-04-22 |
| 7355223 | Vertical junction field effect transistor having an epitaxial gate | Andrei Konstantinov, Cem Basceri | 2008-04-08 |
| 7326971 | Gallium nitride based high-electron mobility devices | Thomas Gehrke, T. Warren Weeks, Jr., Cem Basceri | 2008-02-05 |
| 7279368 | Method of manufacturing a vertical junction field effect transistor having an epitaxial gate | Andrei Konstantinov, Cem Basceri | 2007-10-09 |
| 7121341 | Conductor-in-conduit temperature limited heaters | Harold J. Vinegar, Chester Ledlie Sandberg, Jaime Santos Son, Fredrick Gordon Carl, Jr. | 2006-10-17 |
| 7121342 | Thermal processes for subsurface formations | Harold J. Vinegar, Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow +9 more | 2006-10-17 |
| 6991045 | Forming openings in a hydrocarbon containing formation using magnetic tracking | Harold J. Vinegar, Robin Adrianus Hartmann, Christopher A. Pratt, Gordon Bruce Lepper, Randolph Wagner | 2006-01-31 |