Assignee
SETRA SYSTEMS INC
US·46 granted patents·4 pending applications·2,084 citations·filing 1976–2024
Top patents by PatentIndex Score
50 records- 0197US5194819ALinearized capacitance sensor systemSETRA SYSTEMS INC·Filed 1990·Granted Mar 16, 1993·132 cites·12 claims
- 0297US4084438ACapacitive pressure sensing deviceSETRA SYSTEMS INC·Filed 1976·Granted Apr 18, 1978·99 cites·33 claims
- 0396US4358814ACapacitive pressure sensorSETRA SYSTEMS INC·Filed 1980·Granted Nov 9, 1982·88 cites·35 claims
- 0495US5442962ACapacitive pressure sensor having a pedestal supported electrodeSETRA SYSTEMS INC·Filed 1993·Granted Aug 22, 1995·110 cites·55 claims
- 0595US4649759AForce transducerSETRA SYSTEMS INC·Filed 1985·Granted Mar 17, 1987·79 cites·37 claims
- 0694US5542300ALow cost, center-mounted capacitive pressure sensorSETRA SYSTEMS INC·Filed 1994·Granted Aug 6, 1996·87 cites·23 claims
- 0794US4464725ATemperature compensated measuring systemSETRA SYSTEMS INC·Filed 1983·Granted Aug 7, 1984·60 cites·4 claims
- 0893US5024099APressure transducer with flow-through measurement capabilitySETRA SYSTEMS INC·Filed 1989·Granted Jun 18, 1991·92 cites·25 claims
- 0993US4054833ACapacitance measuring systemSETRA SYSTEMS INC·Filed 1976·Granted Oct 18, 1977·58 cites·25 claims
- 1092US6532834B1Capacitive pressure sensor having encapsulated resonating componentsSETRA SYSTEMS INC·Filed 1999·Granted Mar 18, 2003·77 cites·31 claims
- 1191US5604315AApparatus using a feedback network to measure fluid pressuresSETRA SYSTEMS INC·Filed 1995·Granted Feb 18, 1997·91 cites·16 claims
- 1291US5115676AFlush-mounted pressure sensorSETRA SYSTEMS INC·Filed 1990·Granted May 26, 1992·73 cites·9 claims
- 1391US4093915ACapacitance measuring systemSETRA SYSTEMS INC·Filed 1977·Granted Jun 6, 1978·50 cites·23 claims
- 1490US6789429B2Capacitive pressure sensor having encapsulated resonating componentsSETRA SYSTEMS INC·Filed 2003·Granted Sep 14, 2004·56 cites·42 claims
- 1589US4434203ADiaphragmSETRA SYSTEMS INC·Filed 1980·Granted Feb 28, 1984·49 cites·26 claims
- 1688US6205861B1Transducer having temperature compensationSETRA SYSTEMS INC·Filed 1999·Granted Mar 27, 2001·70 cites·33 claims
- 1788US6014800AMethod of making a pressure transducer having a tensioned diaphragmSETRA SYSTEMS INC·Filed 1999·Granted Jan 18, 2000·58 cites·4 claims
- 1888US5798462AMagnetic position sensor with magnetic field shield diaphragmSETRA SYSTEMS INC·Filed 1996·Granted Aug 25, 1998·62 cites·50 claims
- 1987US7658096B2Humidity sensing apparatusSETRA SYSTEMS INC·Filed 2008·Granted Feb 9, 2010·25 cites·24 claims
- 2085US10119712B2Room condition monitoring systemSETRA SYSTEMS INC·Filed 2016·Granted Nov 6, 2018·7 cites·32 claims
- 2185US5939639APressure transducer housing with barometric pressure isolationSETRA SYSTEMS INC·Filed 1997·Granted Aug 17, 1999·83 cites·10 claims
- 2283US6496019B1Temperature compensated pressure sensor networkSETRA SYSTEMS INC·Filed 2000·Granted Dec 17, 2002·27 cites·15 claims
- 2382US5150275ACapacitive pressure sensorSETRA SYSTEMS INC·Filed 1991·Granted Sep 22, 1992·58 cites·15 claims
- 2482US4386312ALinear capacitive sensor systemSETRA SYSTEMS INC·Filed 1981·Granted May 31, 1983·29 cites·29 claims
- 2579US8359929B2Surface mounted instrumentSETRA SYSTEMS INC·Filed 2010·Granted Jan 29, 2013·7 cites·10 claims
- 2677US11493545B2Measurement device and method of its operationSETRA SYSTEMS INC·Filed 2019·Granted Nov 8, 2022·2 cites·25 claims
- 2777US6019002APressure transducer having a tensioned diaphragmSETRA SYSTEMS INC·Filed 1997·Granted Feb 1, 2000·32 cites·19 claims
- 2877US4899600ACompact force transducer with mechanical motion amplificationSETRA SYSTEMS INC·Filed 1987·Granted Feb 13, 1990·35 cites·10 claims
- 2975US5705751AMagnetic diaphragm pressure transducer with magnetic field shieldSETRA SYSTEMS INC·Filed 1995·Granted Jan 6, 1998·32 cites·19 claims
- 3074US4558600AForce transducerSETRA SYSTEMS INC·Filed 1983·Granted Dec 17, 1985·24 cites·31 claims
- 3174US4448085AForce transducerSETRA SYSTEMS INC·Filed 1981·Granted May 15, 1984·28 cites·25 claims
- 3274US4383586AAdjustable linkageSETRA SYSTEMS INC·Filed 1981·Granted May 17, 1983·24 cites·5 claims
- 3372US11567111B2Measurement device and method of its operationSETRA SYSTEMS INC·Filed 2019·Granted Jan 31, 2023·1 cites·20 claims
- 3471US5078220AMultiple sensor capacitive measurement systemSETRA SYSTEMS INC·Filed 1990·Granted Jan 7, 1992·27 cites·11 claims
- 3571US4382479AWeighing systemSETRA SYSTEMS INC·Filed 1981·Granted May 10, 1983·21 cites·6 claims
- 3670US6316948B1Charge balance network with floating ground capacitive sensingSETRA SYSTEMS INC·Filed 1998·Granted Nov 13, 2001·32 cites·23 claims
- 3770US4433742ALinear motion linkageSETRA SYSTEMS INC·Filed 1981·Granted Feb 28, 1984·23 cites·4 claims
- 3869US4846293AHumidity control system for a scaleSETRA SYSTEMS INC·Filed 1988·Granted Jul 11, 1989·24 cites·9 claims
- 3968US6180892B1Mixing scaleSETRA SYSTEMS INC·Filed 1999·Granted Jan 30, 2001·34 cites·20 claims
- 4067US4463614AForce transducerSETRA SYSTEMS INC·Filed 1982·Granted Aug 7, 1984·21 cites·11 claims
- 4165US4949054ATemperature stable oscillatorSETRA SYSTEMS INC·Filed 1988·Granted Aug 14, 1990·20 cites·32 claims
- 4265US2025189394A1Vacuum pressure sensor comprising a contamination shieldSETRA SYSTEMS INC·Filed 2024·Application pending·0 cites
- 4364US6257068B1Capacitive pressure sensor having petal electrodesSETRA SYSTEMS INC·Filed 1999·Granted Jul 10, 2001·25 cites·29 claims
- 4464US4603308ATemperature stable oscillatorSETRA SYSTEMS INC·Filed 1985·Granted Jul 29, 1986·15 cites·21 claims
- 4563US4513831AWeighing systemSETRA SYSTEMS INC·Filed 1983·Granted Apr 30, 1985·16 cites·19 claims
- 4660US6191722B1Pulse width modulation digital to analog converterSETRA SYSTEMS INC·Filed 1999·Granted Feb 20, 2001·21 cites·9 claims
- 4757US2026009670A1Trimmable fluid level sensing stripSETRA SYSTEMS INC·Filed 2024·Application pending·0 cites
- 4852US11199464B2Pressure differential sensor apparatus with high-visibility condition indicatorSETRA SYSTEMS INC·Filed 2020·Granted Dec 14, 2021·0 cites·20 claims
- 4949US2025012614A1Sensor array continuous capacitive level sensorSETRA SYSTEMS INC·Filed 2024·Application pending·0 cites
- 5033US2018017460A1A system and method for callibrating and controlling pressureSETRA SYSTEMS INC·Filed 2016·Application pending·0 cites
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