Inventor · disambiguated record
John C. Christenson
Also filed as: CHRISTENSON JOHN · CHRISTENSON JOHN C · CHRISTENSON JOHN CARL
41 granted patents·12 pending applications·1,272 citations·filing 1978–2025
98Inventor score
Files withDELPHI TECH INC22CARRIER CORP5DELCO ELECTRONICS CORP4PACKER ENG INC4ROSEMOUNT AEROSPACE INC4
Top patents by PatentIndex Score
53 records- 0197US7908922B2Silicon integrated angular rate sensorDELPHI TECH INC·Filed 2008·Granted Mar 22, 2011·118 cites·30 claims
- 0297US7293460B2Multiple-axis linear accelerometerDELPHI TECH INC·Filed 2005·Granted Nov 13, 2007·68 cites·27 claims
- 0394US7645627B2Method for manufacturing a sensor deviceDELPHI TECH INC·Filed 2008·Granted Jan 12, 2010·48 cites·12 claims
- 0494US6428713B1MEMS sensor structure and microfabrication process thereforDELPHI TECH INC·Filed 1999·Granted Aug 6, 2002·111 cites·10 claims
- 0594US6393914B1Angular accelerometerDELPHI TECH INC·Filed 2001·Granted May 28, 2002·54 cites·29 claims
- 0694US5427975AMethod of micromachining an integrated sensor on the surface of a silicon waferDELCO ELECTRONICS CORP·Filed 1993·Granted Jun 27, 1995·180 cites·31 claims
- 0793US7250322B2Method of making microsensorDELPHI TECH INC·Filed 2005·Granted Jul 31, 2007·29 cites·19 claims
- 0887US8539832B2MEMS gyros with quadrature reducing springsPOTASEK DAVID PATRICK·Filed 2010·Granted Sep 24, 2013·18 cites·18 claims
- 0987US6761070B2Microfabricated linear accelerometerDELPHI TECH INC·Filed 2002·Granted Jul 13, 2004·32 cites·21 claims
- 1086US6500348B2Deep reactive ion etching process and microelectromechanical devices formed therebyDELPHI TECH INC·Filed 2001·Granted Dec 31, 2002·33 cites·34 claims
- 1184US7077007B2Deep reactive ion etching process and microelectromechanical devices formed therebyDELPHI TECH INC·Filed 2003·Granted Jul 18, 2006·27 cites·4 claims
- 1284US6829814B1Process of making an all-silicon microphoneDELPHI TECH INC·Filed 2002·Granted Dec 14, 2004·28 cites·25 claims
- 1384US5531121AMicromachined integrated pressure sensor with oxide polysilicon cavity sealingDELCO ELECTRONICS CORP·Filed 1995·Granted Jul 2, 1996·67 cites·3 claims
- 1482US9010190B2Stress isolated MEMS structures and methods of manufacturePOTASEK DAVID P·Filed 2012·Granted Apr 21, 2015·12 cites·19 claims
- 1582US6666092B2Angular accelerometer having balanced inertia massDELPHI TECH INC·Filed 2002·Granted Dec 23, 2003·26 cites·28 claims
- 1681US6750152B1Method and apparatus for electrically testing and characterizing formation of microelectric featuresDELPHI TECH INC·Filed 1999·Granted Jun 15, 2004·66 cites·16 claims
- 1780US8256465B2Microfluidic valve structureCHRISTENSON JOHN C·Filed 2006·Granted Sep 4, 2012·12 cites·28 claims
- 1880US4882294AProcess for forming an epitaxial layer having portions of different thicknessesDELCO ELECTRONICS CORP·Filed 1988·Granted Nov 21, 1989·54 cites·23 claims
- 1979US6685844B2Deep reactive ion etching process and microelectromechanical devices formed therebyDELPHI TECH INC·Filed 2001·Granted Feb 3, 2004·20 cites·22 claims
- 2078US6828172B2Process for a monolithically-integrated micromachined sensor and circuitDELPHI TECH INC·Filed 2002·Granted Dec 7, 2004·24 cites·20 claims
- 2177US11391709B2Isolated sensor and method of isolating a sensorCARRIER CORP·Filed 2017·Granted Jul 19, 2022·1 cites·4 claims
- 2276US12264063B2Three-dimensional stress-sensitive deviceROSEMOUNT AEROSPACE INC·Filed 2022·Granted Apr 1, 2025·0 cites·11 claims
- 2376US6894836B2Diffraction grating, method of making and method of usingDELPHI TECH INC·Filed 2001·Granted May 17, 2005·17 cites·53 claims
- 2476US5919004AMethod and apparatus for protective encapsulation of structural membersFiled 1997·Granted Jul 6, 1999·38 cites·10 claims
- 2576US4749441ASemiconductor mushroom structure fabricationGEN MOTORS CORP·Filed 1986·Granted Jun 7, 1988·43 cites·20 claims
- 2675US7134179B2Process of forming a capacitative audio transducerDELPHI TECH INC·Filed 2004·Granted Nov 14, 2006·17 cites·5 claims
- 2774US11513091B2Gas detection device and method of manufacturing the sameCARRIER CORP·Filed 2017·Granted Nov 29, 2022·2 cites·19 claims
- 2873US2025197194A1Three-dimensional stress-sensitive deviceROSEMOUNT AEROSPACE INC·Filed 2025·Application pending·0 cites
- 2967US4251181AImplement coupling apparatus for boom-type vehicleLOED CORP·Filed 1979·Granted Feb 17, 1981·24 cites·4 claims
- 3067US4159059ATruss boom for material handling truckLOED CORP·Filed 1978·Granted Jun 26, 1979·23 cites·9 claims
- 3165US7461046B2Method for creating and using a treatment protocolUNIV UTAH RES FOUND·Filed 2003·Granted Dec 2, 2008·13 cites·59 claims
- 3265US6718826B2Balanced angular accelerometerDELPHI TECH INC·Filed 2002·Granted Apr 13, 2004·12 cites·26 claims
- 3363US2021386138A1Personal protective positive pressure deviceROSEMOUNT AEROSPACE INC·Filed 2021·Application pending·0 cites
- 3461US5829920AMethod of testing wrapped submerged piling for infestationFiled 1997·Granted Nov 3, 1998·23 cites·13 claims
- 3560US2009104485A1Auxiliary power unit for generating electrical powerPACKER ENG INC·Filed 2008·Application pending·0 cites
- 3658US5213999AMethod of metal filled trench buried contactsDELCO ELECTRONICS CORP·Filed 1990·Granted May 25, 1993·30 cites·4 claims
- 3754US11035815B2System and method for mobile ion surface trapping in a gas detection deviceCARRIER CORP·Filed 2017·Granted Jun 15, 2021·0 cites·8 claims
- 3853US7833428B2Processes and apparatuses for producing porous materialsPACKER ENG INC·Filed 2007·Granted Nov 16, 2010·0 cites·28 claims
- 3952US9541394B2MEMS gyros with quadrature reducing springsROSEMOUNT AEROSPACE INC·Filed 2013·Granted Jan 10, 2017·0 cites·7 claims
- 4052US2008003470A1Hydrogen storage process and apparatus thereforPACKER ENG INC·Filed 2007·Application pending·0 cites
- 4151US2008149594A1Apparatus and process for forming and handling porous materialsPACKER ENG INC·Filed 2007·Application pending·0 cites
- 4249US2004241507A1Method and apparatus for storage of elemental hydrogenFiled 2004·Application pending·0 cites
- 4348US10273149B2Gas detector with a thermally uniform MEMS dieCARRIER CORP·Filed 2016·Granted Apr 30, 2019·0 cites·27 claims
- 4447US10823692B2MEMS die with sensing structuresCARRIER CORP·Filed 2016·Granted Nov 3, 2020·0 cites·23 claims
- 4546US7026645B2Leak detection method and micro-machined device assemblyDELPHI TECH INC·Filed 2003·Granted Apr 11, 2006·2 cites·10 claims
- 4645US7510894B2Post-logic isolation of silicon regions for an integrated sensorDELPHI TECH INC·Filed 2007·Granted Mar 31, 2009·0 cites·26 claims
- 4743US2004161304A1Method and apparatus for protective encapsulation of structural members subjected to tidal influenceFiled 2004·Application pending·0 cites
- 4841US7294552B2Electrical contact for a MEMS device and method of makingDELPHI TECH INC·Filed 2005·Granted Nov 13, 2007·0 cites·9 claims
- 4940US2005064619A1Process for a monolithically-integrated micromachined sensor and circuitDELPHI TECH INC·Filed 2004·Application pending·0 cites
- 5039US2002125208A1MEMS sensor structure and microfabrication process thereforDELPHI TECH INC·Filed 2002·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →