| Patent | Date |
|---|
Method and apparatus for damping diaphragm vibration in capacitance diaphragm gauges
Grant 9,719,877 - Ferran August 1, 2 | 2017-08-01 |
Method and system for monitoring gas pressure for reference cavity of capacitance diaphragm gauge
Grant 9,683,908 - Ferran , et al. June 20, 2 | 2017-06-20 |
Apparatus and method for automatic detection of diaphragm coating or surface contamination for capacitance diaphragm gauges
Grant 9,677,964 - Ferran , et al. June 13, 2 | 2017-06-13 |
Multi-axis tilt sensor for correcting gravitational effects on the measurement of pressure by a capacitance diaphragm gauge
Grant 9,360,391 - Ferran , et al. June 7, 2 | 2016-06-07 |
Method and Apparatus for Damping Diaphragm Vibration in Capacitance Diaphragm Gauges
App 20150185100 - Ferran; Robert J. | 2015-07-02 |
Method and System for Monitoring Gas Pressure for Reference Cavity of Capacitance Diaphragm Gauge
App 20150185099 - Ferran; David J. ; et al. | 2015-07-02 |
Apparatus and Method for Automatic Detection of Diaphragm Coating or Surface Contamination for Capacitance Diaphragm Gauges
App 20150185105 - Ferran; David J. ; et al. | 2015-07-02 |
Automatic Calibration Adjustment of Capacitance Diaphragm Gauges to Compensate for Errors Due to Changes in Atmospheric Pressure
App 20150177089 - Ferran; David J. ; et al. | 2015-06-25 |
Apparatus and method for automatic detection of diaphragm coating or surface contamination for capacitance diaphragm gauges
Grant 8,997,548 - Ferran , et al. April 7, 2 | 2015-04-07 |
Method and system for monitoring gas pressure for reference cavity of capacitance diaphragm gauge
Grant 8,997,576 - Ferran , et al. April 7, 2 | 2015-04-07 |
Method and apparatus for damping diaphragm vibration in capacitance diaphragm gauges
Grant 8,997,575 - Ferran April 7, 2 | 2015-04-07 |
Automatic calibration adjustment of capacitance diaphragm gauges to compensate for errors due to changes in atmospheric pressure
Grant 8,965,725 - Ferran , et al. February 24, 2 | 2015-02-24 |
Multi-Axis Tilt Sensor for Correcting Gravitational Effects on the Measurement of Pressure by a Capacitance Diaphragm Gauge
App 20150012235 - Ferran; David J. ; et al. | 2015-01-08 |
Method and Apparatus for Acquiring Noise Reduced High Frequency Signals
App 20140368265 - Ferran; Robert J. | 2014-12-18 |
Method and apparatus for acquiring noise reduced high frequency signals
Grant 8,901,993 - Ferran December 2, 2 | 2014-12-02 |
Multi-axis tilt sensor for correcting gravitational effects on the measurement of pressure by a capacitance diaphragm gauge
Grant 8,862,420 - Ferran , et al. October 14, 2 | 2014-10-14 |
Method and Apparatus for Damping Diaphragm Vibration in Capacitance Diaphragm Gauges
App 20140224027 - Ferran; Robert J. | 2014-08-14 |
Multi-Axis Tilt Sensor for Correcting Gravitational Effects on the Measurement of Pressure by a Capacitance Diaphragm Gauge
App 20140222363 - Ferran; David J. ; et al. | 2014-08-07 |
Automatic Calibration Adjustment of Capacitance Diaphragm Gauges to Compensate for Errors Due to Changes in Atmospheric Pressure
App 20140222362 - Ferran; David J. ; et al. | 2014-08-07 |
Apparatus and Method for Automatic Detection of Diaphragm Coating or Surface Contamination for Capacitance Diaphragm Gauges
App 20140208822 - Ferran; David J. ; et al. | 2014-07-31 |
Integrity Monitor for Reference Cavity of Capacitance Diaphragm Gauge
App 20140202254 - Ferran; David J. ; et al. | 2014-07-24 |
Method and apparatus for acquiring noise reduced high frequency signals
Grant 8,760,221 - Ferran June 24, 2 | 2014-06-24 |
Multi-phase permanent magnet brushless DC electric motor
Grant 8,604,655 - Ferran December 10, 2 | 2013-12-10 |
Brushless DC motor having multiple parallel windings
Grant 8,283,831 - Kaminsky , et al. October 9, 2 | 2012-10-09 |
Multi-Stage Trochoidal Vacuum Pump
App 20080226480 - Ferran; Robert J. ; et al. | 2008-09-18 |
Watercraft having plural narrow hulls and having submerged passive flotation devices
Grant 7,040,244 - Ferran May 9, 2 | 2006-05-09 |
Capacitance manometer having a relatively thick flush diaphragm under tension to provide low hysteresis
Grant 6,837,112 - Ferran , et al. January 4, 2 | 2005-01-04 |
Capacitance Manometer Having A Relatively Thick Flush Diaphragm Under Tension To Provide Low Hysteresis
App 20040187589 - Ferran, Robert J. ; et al. | 2004-09-30 |
Method of making a residual gas sensor utilizing a miniature quadrupole array
Grant 5,613,294 - Ferran March 25, 1 | 1997-03-25 |
Residual gas sensor utilizing a miniature quadrupole array
Grant 5,401,962 - Ferran March 28, 1 | 1995-03-28 |
Dual balanced capacitance manometers for suppressing vibration effects
Grant 5,396,803 - Ferran March 14, 1 | 1995-03-14 |
Capacitance manometer having stress relief for fixed electrode
Grant 4,823,603 - Ferran , et al. April 25, 1 | 1989-04-25 |
Adaptive pressure control system
Grant 4,720,807 - Ferran , et al. January 19, 1 | 1988-01-19 |
Closed-loop sputtering system and method of operating same
Grant 4,201,645 - Riegert May 6, 1 | 1980-05-06 |
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