Inventor · disambiguated record
John D. Wahlstrand
Also filed as: WAHLSTRAND JOHN D
45 granted patents·5 pending applications·4,241 citations·filing 1992–2024
99Inventor score
Top patents by PatentIndex Score
50 records- 0196US10080905B2Extra-cardiovascular pacing by an implantable cardioverter defibrillatorMEDTRONIC INC·Filed 2016·Granted Sep 25, 2018·30 cites·32 claims
- 0296US9802055B2Ultrasound powered pulse delivery deviceMEDTRONIC INC·Filed 2016·Granted Oct 31, 2017·21 cites·23 claims
- 0396US5438990AMagnetic field sensorMEDTRONIC INC·Filed 1993·Granted Aug 8, 1995·109 cites·11 claims
- 0494US7031772B2Method and apparatus for rate responsive adjustments in an implantable medical deviceMEDTRONIC INC·Filed 2002·Granted Apr 18, 2006·160 cites·20 claims
- 0593US9731138B1System and method for cardiac pacingMEDTRONIC INC·Filed 2016·Granted Aug 15, 2017·22 cites·40 claims
- 0692US6512949B1Implantable medical device for measuring time varying physiologic conditions especially edema and for responding theretoMEDTRONIC INC·Filed 1999·Granted Jan 28, 2003·632 cites·18 claims
- 0792US5534018AAutomatic lead recognition for implantable medical deviceMEDTRONIC INC·Filed 1994·Granted Jul 9, 1996·463 cites·2 claims
- 0891US6721600B2Implantable lead functional status monitor and methodMEDTRONIC INC·Filed 2001·Granted Apr 13, 2004·171 cites·15 claims
- 0991US6317633B1Implantable lead functional status monitor and methodMEDTRONIC INC·Filed 2000·Granted Nov 13, 2001·245 cites·22 claims
- 1090US11628306B2Power management for an implantable deviceMEDTRONIC INC·Filed 2021·Granted Apr 18, 2023·2 cites·20 claims
- 1190US10556118B2Extra-cardiovascular pacing by an implantable cardioverter defibrillatorMEDTRONIC INC·Filed 2018·Granted Feb 11, 2020·8 cites·20 claims
- 1290US10046168B2Tachyarrhythmia induction by an extra-cardiovascular implantable cardioverter defibrillatorMEDTRONIC INC·Filed 2016·Granted Aug 14, 2018·11 cites·31 claims
- 1389US11524166B2Extra-cardiovascular pacing by an implantable cardioverter defibrillatorMEDTRONIC INC·Filed 2020·Granted Dec 13, 2022·2 cites·20 claims
- 1488US5562711AMethod and apparatus for rate-responsive cardiac pacingMEDTRONIC INC·Filed 1994·Granted Oct 8, 1996·302 cites·18 claims
- 1587US10350425B2Tachyarrhythmia induction by an extra-cardiovascular implantable cardioverter defibrillatorMEDTRONIC INC·Filed 2018·Granted Jul 16, 2019·7 cites·22 claims
- 1687US7729770B2Isolation circuitry and method for gradient field safety in an implantable medical deviceMEDTRONIC INC·Filed 2006·Granted Jun 1, 2010·56 cites·20 claims
- 1786US10155119B2Extra-cardiovascular pacing using high-voltage therapy circuitry of an implantable cardioverter defibrillatorMEDTRONIC INC·Filed 2016·Granted Dec 18, 2018·5 cites·26 claims
- 1886US5713933AMethod and apparatus for automatic pacing threshold determinationMEDTRONIC INC·Filed 1994·Granted Feb 3, 1998·209 cites·18 claims
- 1985US6681135B1System and method for employing temperature measurements to control the operation of an implantable medical deviceMEDTRONIC INC·Filed 2000·Granted Jan 20, 2004·134 cites·28 claims
- 2084US12280266B2Extra-cardiovascular cardiac pacing system for delivering composite pacing pulsesMEDTRONIC INC·Filed 2024·Granted Apr 22, 2025·0 cites·21 claims
- 2184US5702427AVerification of capture using pressure waves transmitted through a pacing leadMEDTRONIC INC·Filed 1996·Granted Dec 30, 1997·234 cites·18 claims
- 2283US10449362B2Extra-cardiovascular cardiac pacing system for delivering composite pacing pulsesMEDTRONIC INC·Filed 2016·Granted Oct 22, 2019·4 cites·32 claims
- 2383US6154675AResetting ERI/POR/PIR/indicators in implantable medical devicesMEDTRONIC INC·Filed 1998·Granted Nov 28, 2000·225 cites·11 claims
- 2482US8463382B2Implantable lead functional status monitor and methodJORGENSON DAVID J·Filed 2010·Granted Jun 11, 2013·18 cites·18 claims
- 2582US6208900B1Method and apparatus for rate-responsive cardiac pacing using header mounted pressure wave transducerMEDTRONIC INC·Filed 1996·Granted Mar 27, 2001·213 cites·15 claims
- 2681US5899927ADetection of pressure waves transmitted through catheter/lead bodyMEDTRONIC INC·Filed 1997·Granted May 4, 1999·191 cites·18 claims
- 2781US5271395AMethod and apparatus for rate-responsive cardiac pacingMEDTRONIC INC·Filed 1992·Granted Dec 21, 1993·213 cites·9 claims
- 2880US11013929B2Power management for an implantable deviceMEDTRONIC INC·Filed 2017·Granted May 25, 2021·4 cites·30 claims
- 2979US12157009B2Extra-cardiovascular pacing by an implantable cardioverter defibrillatorMEDTRONIC INC·Filed 2022·Granted Dec 3, 2024·0 cites·20 claims
- 3078US8612167B2Estimating remaining battery service life in an implantable medical deviceSCHMIDT CRAIG L·Filed 2008·Granted Dec 17, 2013·23 cites·30 claims
- 3177US11883677B2Extra-cardiovascular cardiac pacing system for delivering composite pacing pulsesMEDTRONIC INC·Filed 2022·Granted Jan 30, 2024·0 cites·20 claims
- 3276US5824029AImplantable medical system for performing transthoracic impedance measurements associated with cardiac functionMEDTRONIC INC·Filed 1994·Granted Oct 20, 1998·188 cites·39 claims
- 3375US8478402B2Determining intercardiac impedanceWAHLSTRAND JOHN D·Filed 2008·Granted Jul 2, 2013·16 cites·29 claims
- 3469US6788973B2Apparatus and method to discriminate between telemetry downlink signals and noise in an implanted deviceMEDTRONIC INC·Filed 2002·Granted Sep 7, 2004·44 cites·20 claims
- 3564US5402794AMethod and apparatus for heart transplant monitoring and analog telemetry calibrationMEDTRONIC INC·Filed 1992·Granted Apr 4, 1995·98 cites·9 claims
- 3663US11406838B2Extra-cardiovascular cardiac pacing system for delivering composite pacing pulsesMEDTRONIC INC·Filed 2019·Granted Aug 9, 2022·0 cites·21 claims
- 3759US5843137ACapture detection methodMEDTRONIC INC·Filed 1997·Granted Dec 1, 1998·62 cites·3 claims
- 3857US5902325AMethod and apparatus for detecting cardiac captureMEDTRONIC INC·Filed 1998·Granted May 11, 1999·58 cites·7 claims
- 3955US8965506B2Fault tolerant pacingMEDTRONIC INC·Filed 2012·Granted Feb 24, 2015·1 cites·36 claims
- 4050US7797047B2Implantable lead functional status monitor and methodMEDTRONIC INC·Filed 2004·Granted Sep 14, 2010·5 cites·6 claims
- 4150US5782890AMethod for heart transplant monitoring and analog telemetry calibrationMEDTRONIC INC·Filed 1995·Granted Jul 21, 1998·49 cites·7 claims
- 4248US2010113964A1Determining intercardiac impedanceWAHLSTRAND JOHN D·Filed 2008·Application pending·0 cites
- 4345US8050763B2Isolation circuitry and method for gradient field safety in an implantable medical deviceMEDTRONIC INC·Filed 2010·Granted Nov 1, 2011·0 cites·17 claims
- 4443US10780261B2Pacing output K-factor improvementsMEDTRONIC INC·Filed 2018·Granted Sep 22, 2020·0 cites·18 claims
- 4543US6925331B2EGM signal acquisition and processing systemMEDTRONIC IND·Filed 2002·Granted Aug 2, 2005·6 cites·7 claims
- 4643US2008177345A1Methods for estimating remaining battery service life in an implantable medical deviceSCHMIDT CRAIG L·Filed 2007·Application pending·0 cites
- 4738US2011270362A1Active circuit mri/emi protection powered by interfering energy for a medical stimulation lead and deviceMEDTRONIC INC·Filed 2010·Application pending·0 cites
- 4838US2006293591A1Implantable medical device with MRI and gradient field induced capture detection methodsWAHLSTRAND JOHN D·Filed 2005·Application pending·0 cites
- 4938US2013109985A1Fault-tolerant sensing in an implantable medical deviceGILLBERG JEFFREY M·Filed 2011·Application pending·0 cites
- 5036US8688223B2Implantable medical device impedance measurement module for communication with one or more lead-borne devicesWAHLSTRAND JOHN D·Filed 2010·Granted Apr 1, 2014·0 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →