Inventor · disambiguated record
Helmut Endres
Also filed as: ENDRES HELMUT
22 granted patents·227 citations·filing 1989–2020
95Inventor score
Top patents by PatentIndex Score
22 records- 0184US5632244ASpark-ignition piston engine with facilities for changing the inlet direction of the fuel-air mixtureFEV MOTORENTECH GMBH & CO KG·Filed 1994·Granted May 27, 1997·37 cites·10 claims
- 0281US5870993AMethod and apparatus for operating a spark-ignited reciprocating-piston internal combustion engineVOLKSWAGEN AG·Filed 1997·Granted Feb 16, 1999·44 cites·16 claims
- 0375US11214053B2Printing press and method for producing printed productsKOENIG & BAUER AG·Filed 2020·Granted Jan 4, 2022·1 cites·15 claims
- 0469US9326334B2Electronic ballast for operating at least one first cascade of LEDsOSRAM GMBH·Filed 2014·Granted Apr 26, 2016·2 cites·17 claims
- 0569US8013542B2Electronic ballast for a low-pressure discharge lamp with a micro-controllerOSRAM AG·Filed 2006·Granted Sep 6, 2011·3 cites·6 claims
- 0669US5094210AIntake and fuel/air mixing system for multi-cylinder, externally ignited internal combustion enginesFEV MOTORENTECH GMBH & CO KG·Filed 1990·Granted Mar 10, 1992·30 cites·13 claims
- 0768US8217589B2Method for transmitting control information from a control device to a lamp unit as well as a corresponding illuminating system, lamp unit and control deviceENDRES HELMUT·Filed 2010·Granted Jul 10, 2012·4 cites·40 claims
- 0863US9100997B2Method for transmitting control information from a control apparatus to an operating device for at least one light-emitting means and operating device for at least one light-emitting meansOSRAM GMBH·Filed 2013·Granted Aug 4, 2015·1 cites·16 claims
- 0961US9888547B2Circuit assembly for operating lighting means via a master-slave systemOSRAM GMBH·Filed 2015·Granted Feb 6, 2018·1 cites·22 claims
- 1061US7757489B2Engine configuration including an internal combustion engineVOLKSWAGEN AG·Filed 2007·Granted Jul 20, 2010·6 cites·18 claims
- 1161US6090224APhosphating process with a copper-containing re-rinsing stageHENKEL KGAA·Filed 1996·Granted Jul 18, 2000·20 cites·6 claims
- 1259US5416141ACationic modified layer compoundsHENKEL KGAA·Filed 1992·Granted May 16, 1995·12 cites·28 claims
- 1359US4957568AComposition and process for activating metal surfaces prior to zinc phosphating and process for making said compositionHENKEL KGAA·Filed 1989·Granted Sep 18, 1990·12 cites·20 claims
- 1456US6395105B1Phosphating process with a metalliferous re-rinsing stageHENKEL KGAA·Filed 2000·Granted May 28, 2002·2 cites·20 claims
- 1550US6447662B1Process for phosphatizing, rerinsing and cathodic electro-dipcoatingHENKEL KGAA·Filed 1999·Granted Sep 10, 2002·15 cites·11 claims
- 1649US9538606B2Electronic ballast for operating at least a first and a second cascade of LEDSOSRAM GMBH·Filed 2014·Granted Jan 3, 2017·0 cites·13 claims
- 1749US5416135ACationic layer compounds modified with polymersHENKEL KGAA·Filed 1992·Granted May 16, 1995·8 cites·52 claims
- 1846US5227020AProcess for regenerating wastepaper using a double layer hydroxide formed in situHENKEL KGAA·Filed 1990·Granted Jul 13, 1993·10 cites·20 claims
- 1942US5112414ATitanium free composition and process for activating metal surfaces prior to zinc phosphatingHENKEL KGAA·Filed 1991·Granted May 12, 1992·7 cites·9 claims
- 2036US5323645ADevice to investigate the flow movement in cylindrical componentsFEV MOTORENTECH GMBH & CO KG·Filed 1992·Granted Jun 28, 1994·7 cites·9 claims
- 2133US5039362ATitanium free composition and process for activating metal surfaces prior to zinc phosphatingHENKEL KGAA·Filed 1989·Granted Aug 13, 1991·3 cites·14 claims
- 2231US5145599AUse of cationic non-silicate layer compounds in detergentsHENKEL KGAA·Filed 1989·Granted Sep 8, 1992·2 cites·8 claims
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