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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US39433892 juil. 19749 mars 1976Motorola, Inc.Temperature stabilization of surface acoustic wave substrates
US400532127 déc. 197425 janv. 1977Kabushiki Kaisha Suwa SeikoshaQuartz crystal vibrator mounting
US415686328 avr. 197829 mai 1979The United States of America as represented by the Secretary of the NavyConical beam transducer array
US452790121 nov. 19839 juil. 1985Ultrasonic Power CorporationUltrasonic cleaning tank
US453013830 sept. 198223 juil. 1985Westinghouse Electric Corp.Method of making a transducer assembly
US471203726 juin 19868 déc. 1987Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk OnderzoekResonant piezoelectric sensor
US482511727 nov. 198725 avr. 1989General Electric CompanyTemperature compensated piezoelectric transducer assembly
US492141515 nov. 19881 mai 1990General Electric CompanyCure monitoring apparatus having high temperature ultrasonic transducers
US512890229 oct. 19907 juil. 1992Teleco Oilfield Services Inc.Electromechanical transducer for acoustic telemetry system
US579859924 oct. 199625 août 1998Dukane CorporationUltrasonic transducer assembly using crush foils
US583487124 sept. 199610 nov. 1998Apparatus and methods for cleaning and/or processing delicate parts
US592597031 mars 199720 juil. 1999Murata Manufacturing Co., Ltd.Piezoelectric resonator and electronic component containing same
US593295130 avr. 19973 août 1999Murata Manufacturing Co., Ltd.Piezoelectric resonator and electronic component containing same
US596295630 avr. 19975 oct. 1999Murata Manufacturing Co., Ltd.Piezoelectric resonator and electronic component containing same
US59989089 mai 19977 déc. 1999Crest Ultrasonics Corp.Transducer assembly having ceramic structure
US600219524 avr. 199814 déc. 1999Apparatus and methods for cleaning and/or processing delicate parts
US601682115 juin 199825 janv. 2000Systems and methods for ultrasonically processing delicate parts
US612777029 juin 19983 oct. 2000Forschungszentrum Karlsrahe GmbHPressure wave sensor
US61724449 août 19999 janv. 2001Power system for impressing AC voltage across a capacitive element
US618105124 avr. 199830 janv. 2001Apparatus and methods for cleaning and/or processing delicate parts
US62428479 août 19995 juin 2001Ultrasonic transducer with epoxy compression elements
US62884769 août 199911 sept. 2001Ultrasonic transducer with bias bolt compression bolt
US631356515 févr. 20006 nov. 2001Multiple frequency cleaning system
US64334603 oct. 200013 août 2002Apparatus and methods for cleaning and/or processing delicate parts
US653836029 oct. 200125 mars 2003Multiple frequency cleaning system
US665376023 sept. 199825 nov. 2003Crest Ultrasonics CorporationUltrasonic transducer using third harmonic frequency
US682237224 juin 200223 nov. 2004Apparatus, circuitry and methods for cleaning and/or processing with sound waves
US691436412 juin 20025 juil. 2005Apparatus and methods for cleaning and/or processing delicate parts
US694677330 mars 200420 sept. 2005Apparatus and methods for cleaning and/or processing delicate parts
US70040169 août 199928 févr. 2006Probe system for ultrasonic processing tank
US701943930 juil. 200228 mars 2006Blackstone-Ney Ultrasonics, Inc.High power ultrasonic transducer with broadband frequency characteristics at all overtones and harmonics
US721192715 avr. 20041 mai 2007Multi-generator system for an ultrasonic processing tank
US721192827 mai 20041 mai 2007Apparatus, circuitry, signals and methods for cleaning and/or processing with sound
US73360198 juil. 200526 févr. 2008Apparatus, circuitry, signals, probes and methods for cleaning and/or processing with sound
US80756959 févr. 200713 déc. 2011Apparatus, circuitry, signals, probes and methods for cleaning and/or processing with sound

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