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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US395814514 Feb 197418 May 1976U.S. Philips CorporationHigh pressure, mercury vapor, metal halide discharge lamp
US41351108 Sep 197716 Ene 1979Thorn Electrical Industries LimitedElectrical discharge lamp
US417149825 Nov 197716 Oct 1979Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbHHigh pressure electric discharge lamp containing metal halides
US419748011 Sep 19788 Abr 1980Westinghouse Electric Corp.Reflector-type hid sodium vapor lamp unit with dichroic reflector
US429881323 Oct 19783 Nov 1981General Electric CompanyHigh intensity discharge lamps with uniform color
US436075823 Ene 198123 Nov 1982Westinghouse Electric Corp.High-intensity-discharge lamp of the mercury-metal halide type which efficiently illuminates objects with excellent color appearance
US458155714 Oct 19808 Abr 1986General Electric CompanyStabilized high intensity discharge lamp
US471785226 Nov 19855 Ene 1988Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbHLow-power, high-pressure discharge lamp
US492986910 Nov 198829 May 1990Kabushiki Kaisha ToshibaHigh intensity discharge lamp containing iron and silver in the arc tube filling
US52296869 Oct 199120 Jul 1993GTE Products CorporationMercury vapor discharge lamp containing means for reducing mercury leaching
US54344734 Mar 199418 Jul 1995Tungsram Co., Ltd.High pressure sodium vapor discharge lamp
US54382442 Sep 19941 Ago 1995General Electric CompanyUse of silver and nickel silicide to control iodine level in electrodeless high intensity discharge lamps
US61077421 Abr 199822 Ago 2000Matsushita Electronics CorporationMetal halide lamp
US63625712 Abr 199926 Mar 2002U.S. Philips CorporationMetal-halide lamp with ionizable filling and oxygen dispenser to avoid blackening and extend lamp life

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