Patent | Date |
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Devices and methods for feedthrough leakage current detection and decontamination in ionization gauges Grant 10,132,707 - Blouch , et al. November 20, 2 | 2018-11-20 |
Devices And Methods For Feedthrough Leakage Current Detection And Decontamination In Ionization Gauges App 20170010171 - Blouch; Stephen C. ;   et al. | 2017-01-12 |
Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure Grant 7,921,719 - Arnold , et al. April 12, 2 | 2011-04-12 |
Ionization gauge with a cold electron source Grant 7,768,267 - Knott , et al. August 3, 2 | 2010-08-03 |
Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments Grant 7,656,165 - Carmichael , et al. February 2, 2 | 2010-02-02 |
Ionization gauge with a cold electron source App 20090015264 - Knott; Richard A. ;   et al. | 2009-01-15 |
Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments App 20080315887 - Carmichael; Larry K. ;   et al. | 2008-12-25 |
Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments Grant 7,429,863 - Carmichael , et al. September 30, 2 | 2008-09-30 |
Wide-range combination vacuum gauge Grant 7,418,869 - Arnold , et al. September 2, 2 | 2008-09-02 |
Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments App 20080018337 - Carmichael; Larry K. ;   et al. | 2008-01-24 |
Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure Grant 7,313,966 - Arnold , et al. January 1, 2 | 2008-01-01 |
Ionization gauge Grant 7,295,015 - Arnold , et al. November 13, 2 | 2007-11-13 |
Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure App 20070251293 - Arnold; Paul C. ;   et al. | 2007-11-01 |
Method of operating a resistive heat-loss pressure sensor Grant 7,249,516 - Borenstein , et al. July 31, 2 | 2007-07-31 |
Wide-range combination vacuum gauge App 20070012116 - Arnold; Paul C. ;   et al. | 2007-01-18 |
Ionization gauge App 20060197537 - Arnold; Paul C. ;   et al. | 2006-09-07 |
Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure App 20060123915 - Arnold; Paul C. ;   et al. | 2006-06-15 |
Ionization gauge Grant 7,030,619 - Arnold , et al. April 18, 2 | 2006-04-18 |
Method of operating a resistive heat-loss pressure sensor App 20060021442 - Borenstein; Michael D. ;   et al. | 2006-02-02 |
Ionization gauge App 20050184735 - Arnold, Paul C. ;   et al. | 2005-08-25 |
Ionization gauge and method of using and calibrating same Grant 5,422,573 - Bills , et al. * June 6, 1 | 1995-06-06 |
Ionization gauge and method of using and calibrating same Grant 5,296,817 - Bills , et al. March 22, 1 | 1994-03-22 |
Vacuum gauge Grant 4,307,323 - Bills , et al. December 22, 1 | 1981-12-22 |