Inventor · disambiguated record
Robert J. Ferran
Also filed as: FERRAN ROBERT J
21 granted patents·2 pending applications·449 citations·filing 1985–2015
95Inventor score
Files withRENO TECHNOLOGIES INC5FERRAN SCIENT3FERRAN TECH INC3RENO SUB SYSTEMS CANADA INC3VACUUM GENERAL INC2
Top patents by PatentIndex Score
23 records- 0193US8604655B1Multi-phase permanent magnet brushless DC electric motorELECTRO MARINER CORP·Filed 2013·Granted Dec 10, 2013·21 cites·6 claims
- 0293US8283831B1Brushless DC motor having multiple parallel windingsKAMINSKY ILYA·Filed 2011·Granted Oct 9, 2012·40 cites·1 claims
- 0391US8862420B2Multi-axis tilt sensor for correcting gravitational effects on the measurement of pressure by a capacitance diaphragm gaugeRENO SUB SYSTEMS CANADA INC·Filed 2014·Granted Oct 14, 2014·17 cites·3 claims
- 0490US4823603ACapacitance manometer having stress relief for fixed electrodeVACUUM GENERAL INC·Filed 1988·Granted Apr 25, 1989·100 cites·17 claims
- 0589US5401962AResidual gas sensor utilizing a miniature quadrupole arrayFERRAN SCIENT·Filed 1993·Granted Mar 28, 1995·51 cites·21 claims
- 0685US5396803ADual balanced capacitance manometers for suppressing vibration effectsTYLAN GENERAL INC·Filed 1993·Granted Mar 14, 1995·54 cites·29 claims
- 0783US4720807AAdaptive pressure control systemVACUUM GENERAL INC·Filed 1985·Granted Jan 19, 1988·55 cites·14 claims
- 0880US8997548B2Apparatus and method for automatic detection of diaphragm coating or surface contamination for capacitance diaphragm gaugesRENO TECHNOLOGIES INC·Filed 2013·Granted Apr 7, 2015·6 cites·3 claims
- 0980US6837112B2Capacitance manometer having a relatively thick flush diaphragm under tension to provide low hysteresisSTEC INC·Filed 2003·Granted Jan 4, 2005·29 cites·6 claims
- 1078US9683908B2Method and system for monitoring gas pressure for reference cavity of capacitance diaphragm gaugeFERRAN TECH INC·Filed 2015·Granted Jun 20, 2017·3 cites·2 claims
- 1177US7040244B1Watercraft having plural narrow hulls and having submerged passive flotation devicesFERRAN ELECTRO CRAFT INC·Filed 2005·Granted May 9, 2006·12 cites·1 claims
- 1275US8997575B2Method and apparatus for damping diaphragm vibration in capacitance diaphragm gaugesRENO TECHNOLOGIES INC·Filed 2013·Granted Apr 7, 2015·4 cites·3 claims
- 1375US5613294AMethod of making a residual gas sensor utilizing a miniature quadrupole arrayFERRAN SCIENT·Filed 1995·Granted Mar 25, 1997·29 cites·5 claims
- 1474US8760221B1Method and apparatus for acquiring noise reduced high frequency signalsRENO SUB SYSTEMS CANADA INC·Filed 2013·Granted Jun 24, 2014·4 cites·8 claims
- 1566US8901993B1Method and apparatus for acquiring noise reduced high frequency signalsRENO SUB SYSTEMS CANADA INC·Filed 2014·Granted Dec 2, 2014·2 cites·5 claims
- 1666US5857890AResidual gas sensor utilizing a miniature quadrupole arrayFERRAN SCIENT·Filed 1997·Granted Jan 12, 1999·20 cites·6 claims
- 1761US9677964B2Apparatus and method for automatic detection of diaphragm coating or surface contamination for capacitance diaphragm gaugesFERRAN TECH INC·Filed 2015·Granted Jun 13, 2017·1 cites·2 claims
- 1855US8965725B2Automatic calibration adjustment of capacitance diaphragm gauges to compensate for errors due to changes in atmospheric pressureRENO TECHNOLOGIES INC·Filed 2013·Granted Feb 24, 2015·1 cites·10 claims
- 1951US9719877B2Method and apparatus for damping diaphragm vibration in capacitance diaphragm gaugesFERRAN TECH INC·Filed 2015·Granted Aug 1, 2017·0 cites·1 claims
- 2048US2015177089A1Automatic Calibration Adjustment of Capacitance Diaphragm Gauges to Compensate for Errors Due to Changes in Atmospheric PressureRENO TECHNOLOGIES INC·Filed 2015·Application pending·0 cites
- 2146US8997576B2Method and system for monitoring gas pressure for reference cavity of capacitance diaphragm gaugeRENO TECHNOLOGIES INC·Filed 2014·Granted Apr 7, 2015·0 cites·3 claims
- 2241US9360391B2Multi-axis tilt sensor for correcting gravitational effects on the measurement of pressure by a capacitance diaphragm gaugeFERRAN TECHNOLOGY INC·Filed 2014·Granted Jun 7, 2016·0 cites·7 claims
- 2341US2008226480A1Multi-Stage Trochoidal Vacuum PumpION METRICS INC·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →