Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132707 | Devices and methods for feedthrough leakage current detection and decontamination in ionization gauges | Stephen C. Blouch, Gerardo A. Brucker, Wesley J. Graba, Douglas C. Hansen | 2018-11-20 |
| 7921719 | Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure | Larry K. Carmichael, Paul M. Rutt | 2011-04-12 |
| 7768267 | Ionization gauge with a cold electron source | Richard A. Knott, Gerardo A. Brucker | 2010-08-03 |
| 7656165 | Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments | Larry K. Carmichael, Michael D. Borenstein, Stephen C. Blouch, Richard A. Knott | 2010-02-02 |
| 7429863 | Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments | Larry K. Carmichael, Michael D. Borenstein, Stephen C. Blouch, Richard A. Knott | 2008-09-30 |
| 7418869 | Wide-range combination vacuum gauge | Michael D. Borenstein, Paul M. Rutt | 2008-09-02 |
| 7313966 | Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure | Larry K. Carmichael, Paul M. Rutt | 2008-01-01 |
| 7295015 | Ionization gauge | Paul M. Rutt | 2007-11-13 |
| 7249516 | Method of operating a resistive heat-loss pressure sensor | Michael D. Borenstein | 2007-07-31 |
| 7030619 | Ionization gauge | Paul M. Rutt | 2006-04-18 |
| 5422573 | Ionization gauge and method of using and calibrating same | Daniel G. Bills, Michael D. Borenstein | 1995-06-06 |
| 5296817 | Ionization gauge and method of using and calibrating same | Daniel G. Bills, Michael D. Borenstein | 1994-03-22 |
| 4636680 | Vacuum gauge | Daniel G. Bills, Stephen L. Dodgen, Craig Brainerd Van Cleve | 1987-01-13 |
| 4307323 | Vacuum gauge | Daniel G. Bills | 1981-12-22 |