Assignee
ZUMTOBEL AG
AT·8 granted patents·156 citations·filing 1977–1990
Top patents by PatentIndex Score
8 records- 0188USD330013SRemote control unit for light systemsZUMTOBEL AG·Filed 1990·Granted Oct 6, 1992·50 cites·1 claims
- 0272US5250799AMethod for adapting the light intensity of the summation light to the external lightZUMTOBEL AG·Filed 1990·Granted Oct 5, 1993·34 cites·15 claims
- 0366US4725762ACircuit 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 loadZUMTOBEL AG·Filed 1986·Granted Feb 16, 1988·38 cites·11 claims
- 0451US4680684ABed reading lamp, particularly for hospital bedsZUMTOBEL AG·Filed 1985·Granted Jul 14, 1987·17 cites·7 claims
- 0534USD319322SCorner connector for ceiling lighting fixturesZUMTOBEL AG·Filed 1988·Granted Aug 20, 1991·2 cites·1 claims
- 0631US5264999ALight screenZUMTOBEL AG·Filed 1990·Granted Nov 23, 1993·7 cites·8 claims
- 0728US4998339AProcess for fabrication of an iron member with a winding for generation of electromagnetic fieldsZUMTOBEL AG·Filed 1989·Granted Mar 12, 1991·6 cites·4 claims
- 0822US4143302AEnergizing circuit for a fluorescent lampZUMTOBEL AG·Filed 1977·Granted Mar 6, 1979·2 cites·6 claims
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