Inventor · disambiguated record
Jerzy Janczak
Also filed as: JANCZAK JERZY · JANCZAK JERZY J
23 granted patents·4 pending applications·796 citations·filing 1981–2016
96Inventor score
Files withPHILIPS ELECTRONICS NA11KONINKL PHILIPS ELECTRONICS NV6JANCZAK JERZY3JONSERED POWER PRODUCTS AB2ELECTROLUX AB1
Top patents by PatentIndex Score
27 records- 0191US6175195B1Triac dimmable compact fluorescent lamp with dimming interfacePHILIPS ELECTRONICS NA·Filed 1997·Granted Jan 16, 2001·112 cites·22 claims
- 0290US6182367B1Power-driven work toolELECTROLUX AB·Filed 1999·Granted Feb 6, 2001·56 cites·8 claims
- 0390US6018467AResonant mode power supply having an efficient low power stand-by modePHILIPS ELECTRONICS NA·Filed 1999·Granted Jan 25, 2000·114 cites·6 claims
- 0490US4341017ATree-pruning and clearing apparatusJANCZAK JERZY·Filed 1981·Granted Jul 27, 1982·46 cites·14 claims
- 0588US6154375ASoft start scheme for resonant converters having variable frequency controlPHILIPS ELECTRONICS NA·Filed 1999·Granted Nov 28, 2000·108 cites·5 claims
- 0685US5994848ATriac dimmable, single stage compact flourescent lampPHILIPS ELECTRONICS NA·Filed 1998·Granted Nov 30, 1999·88 cites·12 claims
- 0782US10432021B2Emergency inverter and emergency lighting systemSIGNIFY HOLDING BV·Filed 2016·Granted Oct 1, 2019·5 cites·18 claims
- 0881US6011357ATriac dimmable compact fluorescent lamp with low power factorPHILIPS ELECTRONICS NA·Filed 1997·Granted Jan 4, 2000·53 cites·16 claims
- 0979US6087782AResonant mode power supply having over-power and over-current protectionPHILIPS ELECTRONICS NA·Filed 1999·Granted Jul 11, 2000·55 cites·5 claims
- 1079US6043611ADimmable compact fluorescent lampPHILIPS ELECTRONICS NA·Filed 1997·Granted Mar 28, 2000·47 cites·8 claims
- 1169US6696800B2High frequency electronic ballastKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Feb 24, 2004·13 cites·13 claims
- 1265US6144169ATriac dimmable electronic ballast with single stage feedback power factor inverterPHILIPS ELECTRONICS NA·Filed 1998·Granted Nov 7, 2000·33 cites·8 claims
- 1360US6232726B1Ballast scheme for operating multiple lampsPHILIPS ELECTRONICS NA·Filed 1999·Granted May 15, 2001·20 cites·20 claims
- 1452US6686703B2High frequency electronic ballastKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Feb 3, 2004·6 cites·12 claims
- 1544USD344528SElectrical wood splitting machineJONSERED POWER PRODUCTS AB·Filed 1992·Granted Feb 22, 1994·5 cites·1 claims
- 1644US2009072746A1Resonant ignitor circuit for lamp with a variable output capacitance ballastKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 1743US5323822AWood splitterJANCZAK JERZY·Filed 1991·Granted Jun 28, 1994·10 cites·10 claims
- 1842US4548557AHydraulic pump or motor with interchangeable gearsJANCZAK JERZY·Filed 1983·Granted Oct 22, 1985·8 cites·5 claims
- 1942US2010026210A1Apparatus for driving a gas discharge lampKONINKL PHILIPS ELECTRONICS NV·Filed 2008·Application pending·0 cites
- 2041US2007228993A1High-Pressure Sodium LampKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 2139US5982159ADimmable, single stage fluorescent lampPHILIPS ELECTRONICS NA·Filed 1998·Granted Nov 9, 1999·7 cites·21 claims
- 2238US9035571B2Electronic ballast with dimming circuitERHARDT ROBERT A·Filed 2010·Granted May 19, 2015·0 cites·22 claims
- 2338US7256548B2Electric circuit for igniting a discharge lamp, and electric component module and discharge lamp incorporating such an electric circuitKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Aug 14, 2007·0 cites·8 claims
- 2433US6100646ABallast feedback schemePHILIPS ELECTRONICS NA·Filed 1998·Granted Aug 8, 2000·4 cites·8 claims
- 2533US5917717ABallast dimmer with passive power feedback controlPHILIPS CORP·Filed 1997·Granted Jun 29, 1999·4 cites·15 claims
- 2633USD349712SCombustion engine driven wood splitting machineJONSERED POWER PRODUCTS AB·Filed 1993·Granted Aug 16, 1994·2 cites·1 claims
- 2733US2012025728A1Hid lamp ignitorTUMULA NAVEEN·Filed 2010·Application pending·0 cites
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