Inventor · disambiguated record
John H. Cantrell
Also filed as: CANTRELL JOHN H · CANTRELL JR JOHN H
29 granted patents·1,149 citations·filing 1976–2019
98Inventor score
Top patents by PatentIndex Score
29 records- 0185US5736642ANonlinear ultrasonic scanning to detect material defectsUS ARMY·Filed 1997·Granted Apr 7, 1998·71 cites·20 claims
- 0279US7845215B2Resonant difference-frequency atomic force ultrasonic microscopeNASA·Filed 2007·Granted Dec 7, 2010·9 cites·10 claims
- 0379US5746209AMethod of and apparatus for histological human tissue characterizationusing ultrasoundNASA·Filed 1996·Granted May 5, 1998·271 cites·4 claims
- 0476US5214955AConstant frequency pulsed phase-locked loop measuring deviceNASA·Filed 1991·Granted Jun 1, 1993·44 cites·7 claims
- 0575US6343513B1Non-destructive evaluation method and apparatus for measuring acoustic material nonlinearityNASA·Filed 2000·Granted Feb 5, 2002·12 cites·20 claims
- 0674US6475147B1Ultrasonic apparatus and technique to measure changes in intracranial pressureUS NAT AERONAUTICS AND SPACE A·Filed 2000·Granted Nov 5, 2002·68 cites·11 claims
- 0774US5325339AAbsolute calibration technique for broadband ultrasonic transducersUS ARMY·Filed 1993·Granted Jun 28, 1994·37 cites·31 claims
- 0873US6773407B2Non-invasive method of determining absolute intracranial pressureNASA·Filed 2002·Granted Aug 10, 2004·67 cites·37 claims
- 0971US6761695B2Method and apparatus for non-invasive measurement of changes in intracranial pressureNASA·Filed 2002·Granted Jul 13, 2004·54 cites·12 claims
- 1071US6584848B1Non-destructive evaluation method employing dielectric electrostatic ultrasonic transducersNASA·Filed 2002·Granted Jul 1, 2003·9 cites·13 claims
- 1167US10390704B2Systems and methods for measuring phase dynamics and other propertiesNASA·Filed 2016·Granted Aug 27, 2019·1 cites·8 claims
- 1267US5617873ANon-invasive method and apparatus for monitoring intracranial pressure and pressure volume index in humansUS ARMY·Filed 1995·Granted Apr 8, 1997·138 cites·9 claims
- 1364US4310906ALiquid-immersible electrostatic ultrasonic transducerNASA·Filed 1979·Granted Jan 12, 1982·19 cites·14 claims
- 1463US5601086ABeat frequency ultrasonic microsphere contrast agent detection systemUS ARMY·Filed 1995·Granted Feb 11, 1997·118 cites·11 claims
- 1562US11185232B2Methods for measuring phase dynamics and other propertiesNASA·Filed 2019·Granted Nov 30, 2021·0 cites·12 claims
- 1661US6740048B2Non-invasive method of determining diastolic intracranial pressureNASA·Filed 2002·Granted May 25, 2004·23 cites·20 claims
- 1759US4912411AMagneto acoustic emission apparatus for testing materials for embrittlementNASA·Filed 1988·Granted Mar 27, 1990·19 cites·9 claims
- 1857US6746410B2Method and apparatus for determining changes in intracranial pressure utilizing measurement of the circumferential expansion or contraction of a patient's skullNASA·Filed 2002·Granted Jun 8, 2004·14 cites·31 claims
- 1957US5121058AMethod and apparatus for using magneto-acoustic remanence to determine embrittlementNASA·Filed 1991·Granted Jun 9, 1992·21 cites·12 claims
- 2053US4391142AFrequency tracked gated pulse technique for ultrasonic frequencyNASA·Filed 1980·Granted Jul 5, 1983·13 cites·3 claims
- 2152US6197130B1Method and apparatus to access optimum strength during processing of precipitation strengthened alloysNASA·Filed 1998·Granted Mar 6, 2001·15 cites·44 claims
- 2251US5031627AMethod and apparatus for characterizing reflected ultrasonic pulsesNASA·Filed 1989·Granted Jul 16, 1991·14 cites·20 claims
- 2345US4649750AAcoustic radiation stress measurementNASA·Filed 1985·Granted Mar 17, 1987·10 cites·10 claims
- 2444US6413227B1Method and apparatus for assessment of changes in intracranial pressureNASA·Filed 1999·Granted Jul 2, 2002·39 cites·42 claims
- 2537US6007489AMethod of and apparatus for histological human tissue characterization using ultrasoundNASA·Filed 1998·Granted Dec 28, 1999·25 cites·14 claims
- 2637US5109195AMagneto acoustic emission method for testing materials for embrittlementALLISON SIDNEY G·Filed 1989·Granted Apr 28, 1992·7 cites·13 claims
- 2734US5117184AMagnetic remanence method and apparatus to test materials for embrittlementALLISON SIDNEY G·Filed 1990·Granted May 26, 1992·6 cites·9 claims
- 2833US4080960AUltrasonic technique for characterizing skin burnsUS ENERGY·Filed 1976·Granted Mar 28, 1978·14 cites·10 claims
- 2924US5448995AMethod and apparatus for non-invasive evaluation of diaphragmatic functionUS ARMY·Filed 1994·Granted Sep 12, 1995·11 cites·6 claims
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