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Patent applications and USPTO patent grants for VELDMAN; Paul Robert.The latest application filed is for "a double ended retrofit light emitting diode, led, based lighting device for connection to a power source, which led based lighting device having an improved pin-safety circuit".
Patent | Date |
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A Double Ended Retrofit Light Emitting Diode, Led, Based Lighting Device For Connection To A Power Source, Which Led Based Lighting Device Having An Improved Pin-safety Circuit App 20220295616 - VELDMAN; Paul Robert ;   et al. | 2022-09-15 |
An Led Driver For Led Lighitng Units For Replacing A High-intensity Discharge Lamp App 20220141934 - VELDMAN; Paul Robert ;   et al. | 2022-05-05 |
Circuit for generating a DC voltage supply and a driver circuit using the DC voltage supply circuit Grant 11,310,882 - Van Dijk , et al. April 19, 2 | 2022-04-19 |
Power Source Type Determiner App 20220095433 - MALYNA; Dmytro Viktorovych ;   et al. | 2022-03-24 |
Circuit For Generating A Dc Voltage Supply And A Driver Circuit Using The Dc Voltage Supply Circuit App 20220070984 - VAN DIJK; Bernhard Christiaan ;   et al. | 2022-03-03 |
Controllable driver and drive method to connect an electronic ballast to an LED light source based on the model, type, or identity of the ballast Grant 10,986,712 - Shi , et al. April 20, 2 | 2021-04-20 |
Switched Mode Power Converter And Conversion Method App 20200389093 - TIETEMA; JACOB ;   et al. | 2020-12-10 |
A Controllable Driver And Drive Method App 20200236761 - SHI; LIANG ;   et al. | 2020-07-23 |
Filament Unit For Retrofit Led Tube App 20180023770 - DE HEER GALISTEO; Raimundo ;   et al. | 2018-01-25 |
Lighting device suitable for multiple voltage sources Grant 9,717,121 - Veldman , et al. July 25, 2 | 2017-07-25 |
System And Method For Electronic Device Control In The Presence Of Electrical Arcing App 20160029465 - CHAKRABORTY; ARINDAM ;   et al. | 2016-01-28 |
Lighting Device Suitable For Multiple Voltage Sources App 20150250033 - Veldman; Paul Robert ;   et al. | 2015-09-03 |
Lamp driving circuit Grant 8,247,983 - Song , et al. August 21, 2 | 2012-08-21 |
Lamp Driving Circuit App 20110234112 - Song; Zhihua ;   et al. | 2011-09-29 |
Circuit arrangement Grant 7,365,999 - Melai , et al. April 29, 2 | 2008-04-29 |
Circuit arrangement Grant 7,259,523 - Veldman , et al. August 21, 2 | 2007-08-21 |
Circuit arrangement App 20060239049 - Melai; Henri Arnoud Ignatius ;   et al. | 2006-10-26 |
Circuit arrangement App 20060071612 - Veldman; Paul Robert ;   et al. | 2006-04-06 |
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