Inventor
ENDRES HELMUT
DE22 patents
⚠️ This page may combine multiple inventors who share the name “ENDRES HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL KGAA
10 patentsUS6090224AJul 18, 2000
Phosphating process with a copper-containing re-rinsing stage
HENKEL KGAA20 citations92
US6447662B1Sep 10, 2002
Process for phosphatizing, rerinsing and cathodic electro-dipcoating
HENKEL KGAA15 citations82
US5112414AMay 12, 1992
Titanium free composition and process for activating metal surfaces prior to zinc phosphating
HENKEL KGAA7 citations73
US4957568ASep 18, 1990
Composition and process for activating metal surfaces prior to zinc phosphating and process for making said composition
HENKEL KGAA12 citations73
US5416141AMay 16, 1995
Cationic modified layer compounds
HENKEL KGAA12 citations71
US5416135AMay 16, 1995
Cationic layer compounds modified with polymers
HENKEL KGAA8 citations71
US5227020AJul 13, 1993
Process for regenerating wastepaper using a double layer hydroxide formed in situ
HENKEL KGAA10 citations70
US6395105B1May 28, 2002
Phosphating process with a metalliferous re-rinsing stage
HENKEL KGAA2 citations62
US5145599ASep 8, 1992
Use of cationic non-silicate layer compounds in detergents
HENKEL KGAA2 citations62
US5039362AAug 13, 1991
Titanium free composition and process for activating metal surfaces prior to zinc phosphating
HENKEL KGAA3 citations62
OSRAM GMBH
4 patentsUS9326334B2Apr 26, 2016
Electronic ballast for operating at least one first cascade of LEDs
OSRAM GMBH2 citations62
US9100997B2Aug 4, 2015
Method 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 means
OSRAM GMBH1 citations51
US9888547B2Feb 6, 2018
Circuit assembly for operating lighting means via a master-slave system
OSRAM GMBH1 citations50
US9538606B2Jan 3, 2017
Electronic ballast for operating at least a first and a second cascade of LEDS
OSRAM GMBH0 citations41
FEV MOTORENTECH GMBH & CO KG
3 patentsUS5632244AMay 27, 1997
Spark-ignition piston engine with facilities for changing the inlet direction of the fuel-air mixture
FEV MOTORENTECH GMBH & CO KG37 citations89
US5094210AMar 10, 1992
Intake and fuel/air mixing system for multi-cylinder, externally ignited internal combustion engines
FEV MOTORENTECH GMBH & CO KG30 citations87
US5323645AJun 28, 1994
Device to investigate the flow movement in cylindrical components
FEV MOTORENTECH GMBH & CO KG7 citations72