Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316644 | Temperature assessment using dielectric properties of an insulated conductor heater with selected electrical insulation | Edward Everett de St. Remey, Stephen Taylor Thompson | 2019-06-11 |
| 9080917 | System and methods for using dielectric properties of an insulated conductor in a subsurface formation to assess properties of the insulated conductor | Scott Vinh Nguyen, Ronald Marshall Bass, Stephen Taylor Thompson, Edward Everett de St. Remey, Dhruv Arora +1 more | 2015-07-14 |
| 9051829 | Perforated electrical conductors for treating subsurface formations | Xueying Xie, Oluropo Rufus Ayodele, Harold J. Vinegar, John Michael Karanikas, Chester Ledlie Sandberg +1 more | 2015-06-09 |
| 8946726 | Grid-UMOSFET with electric field shielding of gate oxide | Andrei Konstantinov, Jan-Olov Svederg | 2015-02-03 |
| 8939207 | Insulated conductor heaters with semiconductor layers | Edward Everett de St. Remey, Valerio Giuliani | 2015-01-27 |
| 8881806 | Systems and methods for treating a subsurface formation with electrical conductors | Xueying Xie, Oluropo Rufus Ayodele, Harold J. Vinegar, John Michael Karanikas, Chester Ledlie Sandberg +1 more | 2014-11-11 |
| 8855584 | Matching network for transmission circuitry | Raymond Sydney Pengelly | 2014-10-07 |
| 8833453 | Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness | Jifeng Zhang | 2014-09-16 |
| 8820406 | Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore | — | 2014-09-02 |
| 8796809 | Varactor diode with doped voltage blocking layer | — | 2014-08-05 |
| 8664664 | Silicon carbide dimpled substrate | Cem Basceri, Thomas Gehrke, Cengiz Balkas | 2014-03-04 |
| 8611834 | Matching network for transmission circuitry | Raymond Sydney Pengelly | 2013-12-17 |
| 8421148 | Grid-UMOSFET with electric field shielding of gate oxide | Andrei Konstantinov, Jan-Olov Svederg | 2013-04-16 |
| 8355623 | Temperature limited heaters with high power factors | Harold J. Vinegar, Chester Ledlie Sandberg | 2013-01-15 |
| 8238730 | High voltage temperature limited heaters | Chester Ledlie Sandberg, Harold J. Vinegar, Jaime Santos Son, Fredrick Gordon Carl, Jr. | 2012-08-07 |
| 8224163 | Variable frequency temperature limited heaters | Chester Ledlie Sandberg, Harold J. Vinegar, Jaime Santos Son, Fredrick Gordon Carl, Jr. | 2012-07-17 |
| 8224164 | Insulated conductor temperature limited heaters | Chester Ledlie Sandberg, Harold J. Vinegar, Jaime Santos Son, Fredrick Gordon Carl, Jr. | 2012-07-17 |
| 8224165 | Temperature limited heater utilizing non-ferromagnetic conductor | Harold J. Vinegar | 2012-07-17 |
| 8200072 | Temperature limited heaters for heating subsurface formations or wellbores | Harold J. Vinegar, Chester Ledlie Sandberg, Jaime Santos Son, James Louis Menotti, Fredrick Gordon Carl, Jr. | 2012-06-12 |
| 8084813 | Short gate high power MOSFET and method of manufacture | Andrei Konstantinov, Jan-Olov Svederg | 2011-12-27 |
| 8042610 | Parallel heater system for subsurface formations | John Michael Karanikas, Scott Vinh Nguyen | 2011-10-25 |
| 7994017 | Method of manufacturing silicon carbide self-aligned epitaxial MOSFET for high powered device applications | Kent Bertilsson, Andrei Konstantinov | 2011-08-09 |
| 7793722 | Non-ferromagnetic overburden casing | Harold J. Vinegar, Stanley Leroy Mason | 2010-09-14 |
| 7745851 | Polytype hetero-interface high electron mobility device and method of making | — | 2010-06-29 |
| 7629616 | Silicon carbide self-aligned epitaxial MOSFET for high powered device applications | Kent Bertilsson, Andrei Konstantinov | 2009-12-08 |