Inventor · disambiguated record
John B. French
Also filed as: FRENCH JOHN · FRENCH JOHN B · FRENCH JOHN B B · FRENCH JOHN BARRY
63 granted patents·5 pending applications·3,571 citations·filing 1972–2024
99Inventor score
Files withFRENCH JOHN B14HARMAN BECKER GEPKOCSIRENDSZER GYARTO KORLATOLT FELELOSSEGU TARSASAG7AUDERA ACOUSTICS INC6HARMAN INT IND6FRENCH JOHN BARRY4
Top patents by PatentIndex Score
68 records- 0199US8221244B2Table with sensors and smart card holder for automated gaming system and gaming cardsFRENCH JOHN B·Filed 2008·Granted Jul 17, 2012·137 cites·12 claims
- 0299US4963736AMass spectrometer and method and improved ion transmissionMDS HEALTH GROUP LTD·Filed 1989·Granted Oct 16, 1990·252 cites·24 claims
- 0398US11405729B1Acoustic transducer systems and methods of operating acoustic transducer systems for optimizing barge-in performanceAUDERA ACOUSTICS INC·Filed 2021·Granted Aug 2, 2022·8 cites·24 claims
- 0496US11425476B2System and method for adaptive control of online extraction of loudspeaker parametersHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2020·Granted Aug 23, 2022·5 cites·23 claims
- 0596US7360419B2Gravity gradiometerGEDEX INC·Filed 2006·Granted Apr 22, 2008·97 cites·46 claims
- 0696US4328420ATandem mass spectrometer with open structure AC-only rod sections, and method of operating a mass spectrometer systemFRENCH JOHN B·Filed 1980·Granted May 4, 1982·65 cites·17 claims
- 0796US4023398AApparatus for analyzing trace componentsFRENCH JOHN BARRY·Filed 1975·Granted May 17, 1977·123 cites·13 claims
- 0896US3944455ALabelling system and cassette label applicator usable therewithCOMPAC CORP·Filed 1973·Granted Mar 16, 1976·82 cites·13 claims
- 0995US10667040B1System and method for compensating for non-linear behavior for an acoustic transducer based on magnetic fluxHARMAN INT IND·Filed 2019·Granted May 26, 2020·14 cites·20 claims
- 1095US5510753AComposite bridge amplifier with output overload and thermal protectionBLADE TECHNOLOGIES INC·Filed 1994·Granted Apr 23, 1996·87 cites·20 claims
- 1194US6825726B2Power amplifier with multiple power suppliesINDIGO MFG INC·Filed 2001·Granted Nov 30, 2004·143 cites·96 claims
- 1294US4137750AMethod and apparatus for analyzing trace components using a gas curtainUNIV TORONTO·Filed 1977·Granted Feb 6, 1979·61 cites·13 claims
- 1393US5075634AComposite bridge amplifierBLADE TECHNOLOGIES INC·Filed 1990·Granted Dec 24, 1991·69 cites·16 claims
- 1492US5735742AGaming table tracking system and methodCHIP TRACK INTERNATIONAL·Filed 1995·Granted Apr 7, 1998·865 cites·26 claims
- 1592US4121099AMethod and apparatus for focussing and declustering trace ionsUNIV TORONTO·Filed 1977·Granted Oct 17, 1978·48 cites·17 claims
- 1691US5969352ASpray chamber with dryerMDS INC·Filed 1997·Granted Oct 19, 1999·89 cites·28 claims
- 1790US11399247B2System and method for providing advanced loudspeaker protection with over-excursion, frequency compensation and non-linear correctionHARMAN INT IND·Filed 2020·Granted Jul 26, 2022·2 cites·20 claims
- 1890US5345079AApparatus and method for liquid sample introductionMDS HEALTH GROUP LTD·Filed 1992·Granted Sep 6, 1994·93 cites·58 claims
- 1990US4746794AMass analyzer system with reduced driftMDS HEALTH GROUP LTD·Filed 1986·Granted May 24, 1988·58 cites·13 claims
- 2089US10602288B1System and method for compensating for non-linear behavior for an acoustic transducerHARMAN INT IND·Filed 2019·Granted Mar 24, 2020·6 cites·20 claims
- 2189US6160455ADerived power supply for composite bridge amplifiersINDIGO MFG INC·Filed 1998·Granted Dec 12, 2000·67 cites·14 claims
- 2288US11641557B2System and method for providing advanced loudspeaker protection with over-excursion, frequency compensation and non-linear correctionHARMAN INT IND·Filed 2022·Granted May 2, 2023·1 cites·18 claims
- 2388US4276112AIndividualized label application systemNOMAX CORP·Filed 1978·Granted Jun 30, 1981·78 cites·5 claims
- 2487US9992596B2High displacement acoustic transducer systemsAUDERA ACOUSTICS INC·Filed 2015·Granted Jun 5, 2018·7 cites·25 claims
- 2587US5651548AGaming chips with electronic circuits scanned by antennas in gaming chip placement areas for tracking the movement of gaming chips within a casino apparatus and methodCHIP TRACK INTERNATIONAL·Filed 1995·Granted Jul 29, 1997·716 cites·24 claims
- 2687US3984277ALabel applicatorCOMPAC CORP·Filed 1972·Granted Oct 5, 1976·43 cites·10 claims
- 2786US9241213B2Acoustic transducerHARMAN BECKER GEPKOCSIRENDSZER GYARTO KORLATOLT FELELOSSEGU TARSASAG·Filed 2014·Granted Jan 19, 2016·9 cites·26 claims
- 2886US8235825B2Smart card holder for automated gaming system and gaming cardsFRENCH JOHN B B·Filed 2007·Granted Aug 7, 2012·28 cites·18 claims
- 2986US8139816B2Acoustic transducerFRENCH JOHN B·Filed 2008·Granted Mar 20, 2012·12 cites·22 claims
- 3086US6837106B2Gravity gradiometryBUSINESS ARTS INC·Filed 2001·Granted Jan 4, 2005·74 cites·14 claims
- 3186US4148196AMultiple stage cryogenic pump and method of pumpingSCIEX INC·Filed 1977·Granted Apr 10, 1979·30 cites·15 claims
- 3280US12342144B2Acoustic transducer systems and methods of operating acoustic transducer systems for optimizing barge-in performanceAUDERA ACOUSTICS INC·Filed 2024·Granted Jun 24, 2025·0 cites·14 claims
- 3380US5184152APrinting apparatus and method for printing on an elongated member such as a tubeSUMIMOTO ELECTRIC INTERCONNECT·Filed 1990·Granted Feb 2, 1993·55 cites·22 claims
- 3479US8995691B2Audio amplifierFRENCH JOHN B·Filed 2009·Granted Mar 31, 2015·9 cites·20 claims
- 3578US8577061B2Power supply for limited power sources and audio amplifier using power supplyFRENCH JOHN B·Filed 2008·Granted Nov 5, 2013·14 cites·9 claims
- 3674US10516957B2High displacement acoustic transducer systemsAUDERA ACOUSTICS INC·Filed 2018·Granted Dec 24, 2019·2 cites·21 claims
- 3774US9061197B2Read and write playing card system and methodFRENCH JOHN B·Filed 2013·Granted Jun 23, 2015·2 cites·20 claims
- 3874US8279001B2Push-pull linear hybrid class H amplifierFRENCH JOHN BARRY·Filed 2011·Granted Oct 2, 2012·4 cites·11 claims
- 3972US11997466B2Acoustic transducer systems and methods of operating acoustic transducer systems for optimizing barge-in performanceAUDERA ACOUSTICS INC·Filed 2022·Granted May 28, 2024·0 cites·19 claims
- 4072US9438998B2Acoustic transducer assemblyHARMAN BECKER GEPKOCSIRENDSZER GYARTO KORLATOLT FELELOSSEGU TARSASAG·Filed 2014·Granted Sep 6, 2016·3 cites·21 claims
- 4170US9232305B2Acoustic transducerFRENCH JOHN B·Filed 2012·Granted Jan 5, 2016·2 cites·19 claims
- 4270US8201448B2Gravity gradiometer with torsion flexure pivotsFRENCH JOHN BARRY·Filed 2009·Granted Jun 19, 2012·8 cites·38 claims
- 4366US7874358B2Method for oil sand exploration and developmentGEDEX INC·Filed 2008·Granted Jan 25, 2011·11 cites·12 claims
- 4465US2020222791A1Read and write playing card system and methodFRENCH JOHN B·Filed 2019·Application pending·0 cites
- 4562US10939212B2Acoustic transducer and magnetizing current controllerHARMAN INT IND·Filed 2019·Granted Mar 2, 2021·0 cites·17 claims
- 4660US6108219ADC power converter circuitINDIGO MANUFACTURING INC·Filed 1999·Granted Aug 22, 2000·33 cites·20 claims
- 4760US4091655AMethod and apparatus for analyzing trace components using a cryopumpable reagent gasGOVERNING COUNSEL OF THE UNIVE·Filed 1977·Granted May 30, 1978·6 cites·5 claims
- 4859US7362168B2Audio amplifierAUDERA INTERNAT SALES INC·Filed 2006·Granted Apr 22, 2008·5 cites·20 claims
- 4957US8909496B2Gravity gradiometer and methods for measuring gravity gradientsCARROLL KIERAN A·Filed 2012·Granted Dec 9, 2014·2 cites·37 claims
- 5056US10376775B2Read and write playing card system and methodFRENCH JOHN B·Filed 2015·Granted Aug 13, 2019·0 cites·12 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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