Inventor
GRAJCAR ZDENKO
US101 patents
⚠️ This page may combine multiple inventors who share the name “GRAJCAR ZDENKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ONCE INNOVATIONS INC
25 patentsUS8373363B2Feb 12, 2013
Reduction of harmonic distortion for LED loads
ONCE INNOVATIONS INC93 citations99
USD641520SJul 12, 2011
LED downlight with trim and spacers
ONCE INNOVATIONS INC55 citations98
US9844210B2Dec 19, 2017
System and method of enhancing reproduction in avian
ONCE INNOVATIONS INC22 citations94
US9709228B2Jul 18, 2017
Light sources adapted to spectral sensitivity of diurnal avians and humans
ONCE INNOVATIONS INC20 citations93
US9482397B2Nov 1, 2016
Light sources adapted to spectral sensitivity of diurnal avians and humans
ONCE INNOVATIONS INC19 citations93
US9210755B2Dec 8, 2015
DC LED driverless lighting assembly
ONCE INNOVATIONS INC15 citations93
US9185888B2Nov 17, 2015
Aquaculture lighting devices and methods
ONCE INNOVATIONS INC16 citations93
US8922136B2Dec 30, 2014
Reduction of harmonic distortion for LED loads
ONCE INNOVATIONS INC22 citations93
USD719684SDec 16, 2014
LED lamp
ONCE INNOVATIONS INC29 citations93
US8876313B2Nov 4, 2014
Light sources adapted to spectral sensitivity of diurnal avians and humans
ONCE INNOVATIONS INC21 citations93
US8858005B2Oct 14, 2014
Light sources adapted to spectral sensitivity of diurnal avians and humans
ONCE INNOVATIONS INC20 citations93
US8796955B2Aug 5, 2014
Reduction of harmonic distortion for LED loads
ONCE INNOVATIONS INC22 citations93
USD701497SMar 25, 2014
Heat sink of a light emitting diode device
ONCE INNOVATIONS INC14 citations93
USD632837SFeb 15, 2011
LED downlight lamp assembly
ONCE INNOVATIONS INC17 citations93
USD621974SAug 17, 2010
LED lamp
ONCE INNOVATIONS INC35 citations93
USD621973SAug 17, 2010
Lamp
ONCE INNOVATIONS INC33 citations93
US9247603B2Jan 26, 2016
Shunt regulator for spectral shift controlled light source
ONCE INNOVATIONS INC22 citations91
USD632171SFeb 8, 2011
Re-usable lamp package
ONCE INNOVATIONS INC20 citations89
US10244595B2Mar 26, 2019
Photonic engine system for actuating the photosynthetic electron transport chain
ONCE INNOVATIONS INC15 citations86
US10237956B2Mar 19, 2019
System and method of illuminating livestock
ONCE INNOVATIONS INC12 citations84
US10212892B2Feb 26, 2019
Light sources adapted to spectral sensitivity of plant
ONCE INNOVATIONS INC9 citations84
US10104875B2Oct 23, 2018
System and method of enhancing reproduction in avian
ONCE INNOVATIONS INC5 citations84
US10028448B2Jul 24, 2018
Light sources adapted to spectral sensitivity of plants
ONCE INNOVATIONS INC12 citations84
US9255674B2Feb 9, 2016
Method of manufacturing a light emitting diode lighting assembly
ONCE INNOVATIONS INC8 citations84
US9253844B2Feb 2, 2016
Reduction of harmonic distortion for LED loads
ONCE INNOVATIONS INC8 citations84
NEXXUS LIGHTING INC
12 patentsUS7993031B2Aug 9, 2011
Apparatus for housing a light assembly
NEXXUS LIGHTING INC58 citations98
US7974099B2Jul 5, 2011
Apparatus and methods for thermal management of light emitting diodes
NEXXUS LIGHTING INC64 citations98
USD601276SSep 29, 2009
Light
NEXXUS LIGHTING INC54 citations98
US8384307B2Feb 26, 2013
Continuous step driver
NEXXUS LIGHTING INC34 citations93
US7948190B2May 24, 2011
Apparatus and methods for the thermal regulation of light emitting diodes in signage
NEXXUS LIGHTING INC41 citations93
USD610723SFeb 23, 2010
Light
NEXXUS LIGHTING INC30 citations93
US7598682B2Oct 6, 2009
Current regulator apparatus and methods
NEXXUS LIGHTING INC39 citations93
USD601277SSep 29, 2009
Light
NEXXUS LIGHTING INC32 citations93
USD590076SApr 7, 2009
Light
NEXXUS LIGHTING INC11 citations93
USD590077SApr 7, 2009
Light
NEXXUS LIGHTING INC16 citations93
USD600837SSep 22, 2009
Light
NEXXUS LIGHTING INC9 citations84
USD590075SApr 7, 2009
Light
NEXXUS LIGHTING INC10 citations84
GRAJCAR ZDENKO
11 patentsUS8643308B2Feb 4, 2014
Spectral shift control for dimmable AC LED lighting
GRAJCAR ZDENKO70 citations98
US8596804B2Dec 3, 2013
Light sources adapted to spectral sensitivity of diurnal avians and humans
GRAJCAR ZDENKO45 citations98
US9700019B2Jul 11, 2017
LED lighting for livestock development
GRAJCAR ZDENKO22 citations94
US8531136B2Sep 10, 2013
Architecture for high power factor and low harmonic distortion LED lighting
GRAJCAR ZDENKO47 citations94
US8651691B2Feb 18, 2014
Integral conduit modular lighting
GRAJCAR ZDENKO21 citations93
US8593044B2Nov 26, 2013
Modular architecture for sealed LED light engines
GRAJCAR ZDENKO33 citations93
US8324642B2Dec 4, 2012
Light emitting diode assembly and methods
GRAJCAR ZDENKO30 citations93
US8183794B2May 22, 2012
Apparatus and methods for the thermal regulation of light emitting diodes in signage
GRAJCAR ZDENKO19 citations93
US9756837B2Sep 12, 2017
Differential illumination to select egg laying sites
GRAJCAR ZDENKO15 citations84
US9433046B2Aug 30, 2016
Driving circuitry for LED lighting with reduced total harmonic distortion
GRAJCAR ZDENKO15 citations84
US8192054B2Jun 5, 2012
Apparatus and method for thermal dissipation in a light
GRAJCAR ZDENKO6 citations84
(unassigned)
1 patentSIGNIFY NORTH AMERICA CORP
1 patentShowing the top 50 of 101 patents by PatentIndex Score.