Inventor · disambiguated record
Roger L. Frick
Also filed as: FRICK ROGER · FRICK ROGER L
61 granted patents·4,068 citations·filing 1975–2004
99Inventor score
Top patents by PatentIndex Score
61 records- 0199US6484585B1Pressure sensor for a pressure transmitterROSEMOUNT INC·Filed 2000·Granted Nov 26, 2002·150 cites·53 claims
- 0298US6295875B1Process pressure measurement devices with improved error compensationROSEMOUNT INC·Filed 1999·Granted Oct 2, 2001·203 cites·42 claims
- 0398US4466290AApparatus for conveying fluid pressures to a differential pressure transducerROSEMOUNT INC·Filed 1981·Granted Aug 21, 1984·141 cites·16 claims
- 0498US4370890ACapacitive pressure transducer with isolated sensing diaphragmROSEMOUNT INC·Filed 1980·Granted Feb 1, 1983·148 cites·24 claims
- 0597US7003187B2Optical switch with moveable holographic optical elementROSEMOUNT INC·Filed 2001·Granted Feb 21, 2006·127 cites·48 claims
- 0697US6901101B2Optical sensor for measuring physical and material propertiesROSEMOUNT INC·Filed 2001·Granted May 31, 2005·94 cites·59 claims
- 0797US6508131B2Process sensor module having a single ungrounded input/output conductorROSEMOUNT INC·Filed 2001·Granted Jan 21, 2003·77 cites·17 claims
- 0897US5637802ACapacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of platesROSEMOUNT INC·Filed 1995·Granted Jun 10, 1997·175 cites·7 claims
- 0997US4833922AModular transmitterROSEMOUNT INC·Filed 1987·Granted May 30, 1989·174 cites·11 claims
- 1096US6898980B2Scalable process transmitterROSEMOUNT INC·Filed 2003·Granted May 31, 2005·51 cites·60 claims
- 1196US6568279B2Scalable process transmitterROSEMOUNT INC·Filed 2002·Granted May 27, 2003·48 cites·31 claims
- 1296US4944187AMultimodulus pressure sensorROSEMOUNT INC·Filed 1988·Granted Jul 31, 1990·116 cites·25 claims
- 1396US4818994ATransmitter with internal serial busROSEMOUNT INC·Filed 1987·Granted Apr 4, 1989·182 cites·15 claims
- 1496US4730496ACapacitance pressure sensorROSEMOUNT INC·Filed 1986·Granted Mar 15, 1988·121 cites·17 claims
- 1595US6609427B1Gas fill system in a pressure transmitterROSEMOUNT INC·Filed 2000·Granted Aug 26, 2003·56 cites·22 claims
- 1695US6520020B1Method and apparatus for a direct bonded isolated pressure sensorROSEMOUNT INC·Filed 2000·Granted Feb 18, 2003·65 cites·16 claims
- 1795US6487912B1Preinstallation of a pressure sensor moduleROSEMOUNT INC·Filed 2000·Granted Dec 3, 2002·64 cites·20 claims
- 1895US6457367B1Scalable process transmitterROSEMOUNT INC·Filed 2000·Granted Oct 1, 2002·52 cites·57 claims
- 1995US5705978AProcess control transmitterROSEMOUNT INC·Filed 1995·Granted Jan 6, 1998·216 cites·20 claims
- 2095US5329818ACorrection of a pressure indication in a pressure transducer due to variations of an environmental conditionROSEMOUNT INC·Filed 1992·Granted Jul 19, 1994·99 cites·47 claims
- 2194US6089097AElongated pressure sensor for a pressure transmitterROSEMOUNT INC·Filed 1997·Granted Jul 18, 2000·87 cites·38 claims
- 2294US6079276ASintered pressure sensor for a pressure transmitterROSEMOUNT INC·Filed 1999·Granted Jun 27, 2000·87 cites·42 claims
- 2393US5372046AVortex flowmeter electronicsROSEMOUNT INC·Filed 1992·Granted Dec 13, 1994·75 cites·32 claims
- 2493US5083091ACharged balanced feedback measurement circuitROSEMOUNT INC·Filed 1988·Granted Jan 21, 1992·86 cites·49 claims
- 2593US4878012ACharge balanced feedback transmitterROSEMOUNT INC·Filed 1988·Granted Oct 31, 1989·72 cites·25 claims
- 2693US4783659AAnalog transducer circuit with digital controlROSEMOUNT INC·Filed 1987·Granted Nov 8, 1988·89 cites·36 claims
- 2792US4798089AIsolator apparatusROSEMOUNT INC·Filed 1987·Granted Jan 17, 1989·97 cites·17 claims
- 2892US4745810AFlangeless transmitter coupling to a flange adapter unionROSEMOUNT INC·Filed 1986·Granted May 24, 1988·97 cites·17 claims
- 2992US4481967AControl circuit for current to pressure converterROSEMOUNT INC·Filed 1982·Granted Nov 13, 1984·59 cites·14 claims
- 3091US5524492APressure transmitter isolation diaphragmROSEMOUNT INC·Filed 1995·Granted Jun 11, 1996·111 cites·23 claims
- 3191US5424650ACapacitive pressure sensor having circuitry for eliminating stray capacitanceROSEMOUNT INC·Filed 1993·Granted Jun 13, 1995·83 cites·7 claims
- 3291US4578735APressure sensing cell using brittle diaphragmKNECHT THOMAS A·Filed 1984·Granted Mar 25, 1986·69 cites·31 claims
- 3391US4186599AVortex shedding flowmeter assemblyROSEMOUNT INC·Filed 1977·Granted Feb 5, 1980·48 cites·19 claims
- 3489US6505516B1Capacitive pressure sensing with moving dielectricROSEMOUNT INC·Filed 2000·Granted Jan 14, 2003·36 cites·22 claims
- 3586US4586108ACircuit for capacitive sensor made of brittle materialROSEMOUNT INC·Filed 1984·Granted Apr 29, 1986·42 cites·24 claims
- 3685US4791352ATransmitter with vernier measurementROSEMOUNT INC·Filed 1986·Granted Dec 13, 1988·45 cites·22 claims
- 3784US4603371ACapacitive sensing cell made of brittle materialROSEMOUNT INC·Filed 1984·Granted Jul 29, 1986·39 cites·25 claims
- 3883US7043115B2Tunable optical filterROSEMOUNT INC·Filed 2002·Granted May 9, 2006·24 cites·27 claims
- 3983US5483834ASuspended diaphragm pressure sensorROSEMOUNT INC·Filed 1993·Granted Jan 16, 1996·46 cites·26 claims
- 4082US4833920ADifferential pressure sensorROSEMOUNT INC·Filed 1986·Granted May 30, 1989·51 cites·26 claims
- 4181US4866435ADigital transmitter with variable resolution as a function of speedROSEMOUNT INC·Filed 1987·Granted Sep 12, 1989·39 cites·9 claims
- 4279US5245333AThree wire low power transmitterROSEMOUNT INC·Filed 1991·Granted Sep 14, 1993·51 cites·11 claims
- 4376US4325399ACurrent to pressure converter apparatusROSEMOUNT INC·Filed 1979·Granted Apr 20, 1982·23 cites·6 claims
- 4475US6082199APressure sensor cavity etched with hot POCL3 gasROSEMOUNT INC·Filed 1999·Granted Jul 4, 2000·25 cites·9 claims
- 4575US4171643AVortex shedding flowmeter constructionROSEMOUNT INC·Filed 1978·Granted Oct 23, 1979·23 cites·17 claims
- 4673US3975719ATransducer for converting a varying reactance signal to a DC current signalROSEMOUNT INC·Filed 1975·Granted Aug 17, 1976·21 cites·23 claims
- 4772US5278543ATransmitter with magnetic zero/span actuatorROSEMOUNT INC·Filed 1990·Granted Jan 11, 1994·25 cites·8 claims
- 4871US6873277B1Multi-phase measurement system with synchronized sigma delta convertersROSEMOUNT INC·Filed 2003·Granted Mar 29, 2005·12 cites·34 claims
- 4970US7330271B2Electromagnetic resonant sensor with dielectric body and variable gap cavityROSEMOUNT INC·Filed 2004·Granted Feb 12, 2008·15 cites·30 claims
- 5064US6810176B2Integrated transparent substrate and diffractive optical elementROSEMOUNT INC·Filed 2001·Granted Oct 26, 2004·8 cites·32 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →