Zumtobel Aktiengesellschaft

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5352957 Appliance control system with programmable receiversJun 19, 92Oct 04, 94[G05F]
5264999 Light screenJun 03, 91Nov 23, 93[F21V]
5250799 Method for adapting the light intensity of the summation light to the external lightJan 28, 92Oct 05, 93[H01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D330013 Remote control unit for light systemsExpiredJul 18, 90Oct 06, 92[]
D319322 Corner connector for ceiling lighting fixturesExpiredOct 04, 88Aug 20, 91[]
4998339 Process for fabrication of an iron member with a winding for generation of electromagnetic fieldsExpiredSep 14, 89Mar 12, 91[H01F]
4725762 Circuit supplied with direct voltage for generating voltages and/or currents with different curve form and/or different frequency and/or different polarity with at least one loadExpiredOct 02, 86Feb 16, 88[H05B]
4680684 Bed reading lamp, particularly for hospital bedsExpiredOct 24, 85Jul 14, 87[F21V]
4456835 Method of operating a load from alternating current mains and circuit arrangement thereforExpiredDec 08, 81Jun 26, 84[H02J]
4359312 Reciprocating pump for the pulsation-free delivery of a liquidExpiredAug 15, 78Nov 16, 82[F04B]

Top Inventors for This Owner

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