Inventor · disambiguated record
Charles R. Willcox
Also filed as: WILLCOX CHARLES · WILLCOX CHARLES R · WILLCOX CHARLES RAY
53 granted patents·4 pending applications·1,102 citations·filing 1983–2024
99Inventor score
Top patents by PatentIndex Score
57 records- 0198US7262693B2Process field device with radio frequency communicationROSEMOUNT INC·Filed 2004·Granted Aug 28, 2007·94 cites·24 claims
- 0298US5665899APressure sensor diagnostics in a process transmitterROSEMOUNT INC·Filed 1996·Granted Sep 9, 1997·173 cites·17 claims
- 0397US7003187B2Optical switch with moveable holographic optical elementROSEMOUNT INC·Filed 2001·Granted Feb 21, 2006·127 cites·48 claims
- 0494US6609825B2Total air temperature probe providing improved anti-icing performance and reduced deicing heater errorROSEMOUNT AEROSPACE INC·Filed 2001·Granted Aug 26, 2003·76 cites·12 claims
- 0593US12146854B2Galvanic current protection for photoionization detectorMOCON INC·Filed 2023·Granted Nov 19, 2024·2 cites·17 claims
- 0693US6425290B2Oil-less differential pressure sensorROSEMOUNT INC·Filed 2001·Granted Jul 30, 2002·46 cites·22 claims
- 0791US11378480B2Polysilicon on sapphire oil-less pressure sensorROSEMOUNT INC·Filed 2020·Granted Jul 5, 2022·2 cites·14 claims
- 0891US8104955B2Aspirated enhanced total air temperature probeBENNING KEVIN J·Filed 2010·Granted Jan 31, 2012·17 cites·16 claims
- 0991US7828477B2Aspirated enhanced total air temperature probeROSEMOUNT AEROSPACE INC·Filed 2007·Granted Nov 9, 2010·22 cites·12 claims
- 1091US7357572B2Total air temperature probe having improved deicing heater error performanceROSEMOUNT AEROSPACE INC·Filed 2005·Granted Apr 15, 2008·31 cites·14 claims
- 1190US7956738B2Process field device with radio frequency communicationROSEMOUNT INC·Filed 2007·Granted Jun 7, 2011·12 cites·97 claims
- 1289US6505516B1Capacitive pressure sensing with moving dielectricROSEMOUNT INC·Filed 2000·Granted Jan 14, 2003·36 cites·22 claims
- 1388US7918134B2Thermal-based diagnostic system for process transmitterROSEMOUNT INC·Filed 2008·Granted Apr 5, 2011·19 cites·63 claims
- 1488US6840672B2Total air temperature probe providing improved anti-icing performance and reduced deicing heater errorROSEMOUNT AEROSPACE INC·Filed 2003·Granted Jan 11, 2005·36 cites·12 claims
- 1587US7308830B2Pressure sensor fault detectionROSEMOUNT INC·Filed 2006·Granted Dec 18, 2007·20 cites·20 claims
- 1687US6612174B2Optical pressure sensorROSEMOUNT INC·Filed 2001·Granted Sep 2, 2003·29 cites·25 claims
- 1787US5515732ACapacitive pressure sensor and reference with stress isolating pedestalROSEMOUNT INC·Filed 1995·Granted May 14, 1996·68 cites·17 claims
- 1885US11209296B2Non-intrusive process fluid pressure measurement systemROSEMOUNT INC·Filed 2018·Granted Dec 28, 2021·3 cites·27 claims
- 1984US10190968B2Corrosion rate measurement with multivariable sensorROSEMOUNT INC·Filed 2015·Granted Jan 29, 2019·2 cites·20 claims
- 2083US10048152B2Pressure transmitter with overpressure protectionROSEMOUNT INC·Filed 2016·Granted Aug 14, 2018·7 cites·19 claims
- 2182US8429978B2Resonant frequency based pressure sensorKLOSINSKI ANDREW J·Filed 2010·Granted Apr 30, 2013·11 cites·19 claims
- 2282US6414282B1Active heater control circuit and method used for aerospace probesROSEMOUNT AEROSPACE INC·Filed 2000·Granted Jul 2, 2002·40 cites·17 claims
- 2380US12455261B2Photoionization detector having improved gain and reduced humidity sensitivityMOCON INC·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 2480US12451343B2Photoionization detector having improved gain and reduced humidity sensitivityMOCON INC·Filed 2023·Granted Oct 21, 2025·0 cites·20 claims
- 2579US9857259B2Differential pressure sensor with high pressure capabilitiesROSEMOUNT INC·Filed 2014·Granted Jan 2, 2018·6 cites·14 claims
- 2679US8037750B2Impending icing probe with thermal isolation pedestalROSEMOUNT AEROSPACE INC·Filed 2009·Granted Oct 18, 2011·16 cites·20 claims
- 2779US6895161B2Variable optical attenuatorROSEMOUNT INC·Filed 2002·Granted May 17, 2005·20 cites·45 claims
- 2878US10060813B2High over-pressure capable silicon die pressure sensorROSEMOUNT INC·Filed 2016·Granted Aug 28, 2018·3 cites·21 claims
- 2978US9316553B2Span line pressure effect compensation for diaphragm pressure sensorROSEMOUNT INC·Filed 2014·Granted Apr 19, 2016·5 cites·21 claims
- 3078US5695590AAnodic bonding method for making pressure sensorROSEMOUNT INC·Filed 1995·Granted Dec 9, 1997·38 cites·3 claims
- 3176US7177505B2MEMS-based actuator devices using electretsROSEMOUNT INC·Filed 2004·Granted Feb 13, 2007·16 cites·38 claims
- 3276USD497114STotal air temperature probeROSEMOUNT AEROSPACE INC·Filed 2003·Granted Oct 12, 2004·19 cites·1 claims
- 3374US7450812B2Compensated variable optical attenuatorROSEMOUNT INC·Filed 2004·Granted Nov 11, 2008·17 cites·14 claims
- 3473US7197225B2Variable optical attenuatorROSEMOUNT INC·Filed 2003·Granted Mar 27, 2007·14 cites·38 claims
- 3572US10209154B2In-line process fluid pressure transmitter for high pressure applicationsROSEMOUNT INC·Filed 2015·Granted Feb 19, 2019·2 cites·26 claims
- 3672US9719872B2High over-pressure capable silicon die pressure sensor with extended pressure signal outputROSEMOUNT INC·Filed 2015·Granted Aug 1, 2017·2 cites·26 claims
- 3771US7334484B2Line pressure measurement using differential pressure sensorROSEMOUNT INC·Filed 2005·Granted Feb 26, 2008·9 cites·25 claims
- 3868US7779698B2Pressure sensorROSEMOUNT INC·Filed 2007·Granted Aug 24, 2010·7 cites·19 claims
- 3965US11506556B2Single-use plastic pressure sensorROSEMOUNT INC·Filed 2020·Granted Nov 22, 2022·0 cites·18 claims
- 4064US12255583B2Temperature compensating adjustable ultraviolet lamp driver circuit and photoionization detector employing the driver circuitMOCON INC·Filed 2023·Granted Mar 18, 2025·0 cites·10 claims
- 4164USD587610STotal air temperature probeROSEMOUNT AEROSPACE INC·Filed 2007·Granted Mar 3, 2009·12 cites·1 claims
- 4264US6810176B2Integrated transparent substrate and diffractive optical elementROSEMOUNT INC·Filed 2001·Granted Oct 26, 2004·8 cites·32 claims
- 4363US7954383B2Method and apparatus for pressure measurement using fill tubeROSEMOUNT INC·Filed 2008·Granted Jun 7, 2011·5 cites·31 claims
- 4462US12467800B2Heat flow-based process fluid temperature estimation system with thermal time response improvementROSEMOUNT INC·Filed 2022·Granted Nov 11, 2025·0 cites·13 claims
- 4560US2024313733A1Photoionization detector sensor with adjustable gainMOCON INC·Filed 2023·Application pending·0 cites
- 4657USD545227STotal air temperature probeROSEMOUNT AEROSPACE INC·Filed 2005·Granted Jun 26, 2007·9 cites·1 claims
- 4756US8327713B2Method and apparatus for pressure measurement using magnetic propertyWILLCOX CHARLES R·Filed 2008·Granted Dec 11, 2012·4 cites·29 claims
- 4854USD548634STotal air temperature probeROSEMOUNT AEROSPACE INC·Filed 2005·Granted Aug 14, 2007·8 cites·1 claims
- 4954US2025110001A1Pressure transmitter with multi-range pressure sensorROSEMOUNT INC·Filed 2023·Application pending·0 cites
- 5054US2025290897A1Photoionization detector with ignition failure warning systemMOCON INC·Filed 2024·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →