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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US41674246 Sep 197711 Sep 1979National Steel CorporationTreatment of metal strip with ultrasonic energy and apparatus therefor
US424474924 Nov 197813 Ene 1981The Johns Hopkins UniversityUltrasonic cleaning method and apparatus for heat exchangers
US432052823 Ene 198016 Mar 1982Anco Engineers, Inc.Ultrasonic cleaner
US43727876 Jul 19818 Feb 1983Method for ultrasonic cleaning of radiators
US437599112 Ene 19818 Mar 1983The Johns Hopkins UniversityUltrasonic cleaning method and apparatus
US444414613 Ene 198224 Abr 1984Honeywell Inc.Ultrasonic subsurface cleaning
US483160115 Oct 198716 May 1989Siemens AktiengesellschaftApparatus for transmitting and receiving ultrasonic signals
US51274242 Ago 19907 Jul 1992Reinhold ThewesCleaning device for precision castings
US545259417 Jun 199426 Sep 1995Goldstar Co., Ltd.Low frequency vibration type washing machine and method
US55627787 Nov 19948 Oct 1996International Business Machines CorporationUltrasonic jet semiconductor wafer cleaning method
US581307417 Dic 199629 Sep 1998Apparatus for cleaning the heads of welding robots
US609864314 Nov 19988 Ago 2000Bath system for semiconductor wafers with obliquely mounted transducers
US614883311 Nov 199821 Nov 2000Applied Materials, Inc.Continuous cleaning megasonic tank with reduced duty cycle transducers
US622025911 Nov 199824 Abr 2001Applied Materials, Inc.Tank design for sonic wafer cleaning
US631170211 Nov 19986 Nov 2001Applied Materials, Inc.Megasonic cleaner
US64124996 Sep 20002 Jul 2002Applied Materials, Inc.Continuous cleaning megasonic tank with reduced duty cycle transducers
US646055129 Oct 19998 Oct 2002Applied Materials, Inc.Megasonic resonator for disk cleaning and method for use thereof
US79463373 Ago 200724 May 2011Hamilton Sundstrand CorporationHeat exchanger with vibrator to remove accumulated solids