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DUREL CORP

Overview
  • Total Patents
    113
About

DUREL CORP has a total of 113 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, environmental technology and audio-visual technology are HOTSET HEIZPATRONEN ZUBEHOER, INDUCTION HEATING CORP and STEGMEIER HEINZ.

Patent filings per year

Chart showing DUREL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Paciorek Walter J 21
#2 Mcguigan Ralph 20
#3 Eckersley Rodney T 20
#4 Buell Brian Jeffrey 17
#5 Kinnally Edward L 14
#6 Zovko Charles I 13
#7 Krafcik Robert J 13
#8 Kimball Robert A 13
#9 Wheeler Douglas T 12
#10 Coghlan William A 11

Latest patents

Publication Filing date Title
US2005067952A1 Flexible, molded EL lamp
US2004043191A1 EL lamp with flexible areas
US2004008296A1 Quasi color LCD
US6703781B2 El lamp with light scattering particles in cascading layer
US6787988B2 Process for treating previously coated phosphor particles
US2003071574A1 Infrared emitting EL lamp
US2003067274A1 EL lamp emitting encoded light
US2003042845A1 Light source with cascading dyes and BEF
US2002190636A1 EL lamp with increased phosphor density
US2002135318A1 EL driver for small semiconductor die
US6343027B1 Transformerless high voltage inverter using a fourth-order impedance network
US2002113558A1 Inverter for driving EL lamp and light emitting diodes
US2002080597A1 EL lamp for a front lit display
US6433476B1 EL lamp with heater electrode
US6320323B1 EL driver with lamp discharge monitor
US6465951B1 Electroluminescent lamp devices and their manufacture
US6297597B1 EL driver with low side current mirrors
US6204609B1 Enhanced inverter for powering an EL lamp
US6445128B1 EL panel made with low molecular weight PVDF/HFP resin
US6181589B1 Half-bridge inverter for coupling an EL lamp to a high voltage DC rail