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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 |
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 |
Technique for improving Pirani gauge temperature compensation over its full pressure range Grant 7,331,237 - Borenstein February 19, 2 | 2008-02-19 |
Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments App 20080018337 - Carmichael; Larry K. ;   et al. | 2008-01-24 |
Technique for improving Pirani gauge temperature compensation over its full pressure range App 20070186658 - Borenstein; Michael D. | 2007-08-16 |
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 Grant 7,207,224 - Rutt , et al. April 24, 2 | 2007-04-24 |
Wide-range combination vacuum gauge App 20070012116 - Arnold; Paul C. ;   et al. | 2007-01-18 |
Wide-range combination vacuum gauge App 20060278004 - Rutt; Paul M. ;   et al. | 2006-12-14 |
Method Of Operating A Resistive Heat-loss Pressure Sensor App 20060021444 - Borenstein; Michael D. | 2006-02-02 |
Method of operating a resistive heat-loss pressure sensor App 20060021442 - Borenstein; Michael D. ;   et al. | 2006-02-02 |
Apparatus and methods for heat loss pressure measurement Grant 6,945,119 - Bills , et al. September 20, 2 | 2005-09-20 |
Apparatus and methods for heat loss pressure measurement Grant 6,938,493 - Bills , et al. September 6, 2 | 2005-09-06 |
Apparatus and methods for heat loss pressure measurement Grant 6,865,952 - Bills , et al. March 15, 2 | 2005-03-15 |
Apparatus And Methods For Heat Loss Pressure Measurement App 20040216528 - Bills, Daniel G. ;   et al. | 2004-11-04 |
Apparatus and methods for heat loss pressure measurement App 20040216527 - Bills, Daniel G. ;   et al. | 2004-11-04 |
Apparatus and methods for heat loss pressure measurement Grant 6,799,468 - Borenstein October 5, 2 | 2004-10-05 |
Apparatus and methods for heat loss pressure measurement App 20040020301 - Borenstein, Michael D. | 2004-02-05 |
Apparatus and methods for heat loss pressure measurement App 20030097876 - Bills, Daniel G. ;   et al. | 2003-05-29 |
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 |
Ionization gauge and method of using and calibrating same Grant 5,250,906 - Bills , et al. October 5, 1 | 1993-10-05 |