Inventor
SCHAEFER JENS
DE37 patents
⚠️ This page may combine multiple inventors who share the name “SCHAEFER JENS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHAEFFLER WAELZLAGER OHG
10 patentsUS6313726B1Nov 6, 2001
Electromagnet, particularly a proportional magnet for operating a hydraulic valve
SCHAEFFLER WAELZLAGER OHG57 citations96
US6481401B1Nov 19, 2002
Device for independent hydraulic actuation of the phase and axial position of a camshaft
SCHAEFFLER WAELZLAGER OHG28 citations92
US6601554B1Aug 5, 2003
Device for varying the valve control times of an internal combustion engine, especially a camshaft adjusting device with a pivotal impeller wheel
SCHAEFFLER WAELZLAGER OHG14 citations84
US6367434B1Apr 9, 2002
Solenoid valve, particularly a proportional hydraulic valve
SCHAEFFLER WAELZLAGER OHG19 citations82
US6055950AMay 2, 2000
Arrangement for controlling a device for changing the valve timing of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG17 citations81
US6283075B1Sep 4, 2001
Locking unit for a device for modifying the timing of charge change valves in internal combustion engines, especially for a vane-cell control device
SCHAEFFLER WAELZLAGER OHG11 citations74
US6289862B1Sep 18, 2001
Locking unit for a device for modifying the timing of charge change valves in internal combustion engines
SCHAEFFLER WAELZLAGER OHG10 citations73
US6186103B1Feb 13, 2001
Device for varying timing of gas exchange valves of internal combustion engines, particularly a vane-type camshaft adjusting device
SCHAEFFLER WAELZLAGER OHG11 citations73
US6427654B2Aug 6, 2002
Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type
SCHAEFFLER WAELZLAGER OHG8 citations71
US6374785B1Apr 23, 2002
Arrangement for rotary angle positioning of a camshaft relative to the crank shaft of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG6 citations62
INA SCHAEFFLER KG
6 patentsUS7032552B2Apr 25, 2006
Camshaft adjuster with an electrical drive
INA SCHAEFFLER KG22 citations92
US6799746B2Oct 5, 2004
Electromagnet, in particular a proportional magnet for operating a hydraulic valve
INA SCHAEFFLER KG25 citations92
US6981478B2Jan 3, 2006
Electrically driven camshaft adjuster
INA SCHAEFFLER KG42 citations90
US7089897B2Aug 15, 2006
Electrically driven camshaft adjuster
INA SCHAEFFLER KG11 citations84
US7152561B2Dec 26, 2006
Control structure for the adjusting motor of an electric camshaft adjuster
INA SCHAEFFLER KG6 citations73
US7059285B2Jun 13, 2006
Control structure for the adjusting motor of an electric camshaft adjuster
INA SCHAEFFLER KG10 citations73
SCHAEFFLER KG
5 patentsUS7673598B2Mar 9, 2010
Electric camshaft adjuster
SCHAEFFLER KG24 citations92
US7506623B2Mar 24, 2009
Camshaft adjustment device for an internal combustion engine
SCHAEFFLER KG23 citations92
US7308876B2Dec 18, 2007
Electrically driven camshaft adjuster
SCHAEFFLER KG22 citations88
US7866288B2Jan 11, 2011
Device for varying the control times of an internal combustion engine
SCHAEFFLER KG0 citations52
US7275506B2Oct 2, 2007
Device for the variable setting of the control times of gas-exchange valves of an internal combustion engine
SCHAEFFLER KG1 citations52
SCHAEFFLER TECHNOLOGIES AG
4 patentsUS9840947B2Dec 12, 2017
Camshaft adjusting device
SCHAEFFLER TECHNOLOGIES AG9 citations83
US9982577B2May 29, 2018
Camshaft adjusting device
SCHAEFFLER TECHNOLOGIES AG2 citations73
US9840942B2Dec 12, 2017
Camshaft adjuster
SCHAEFFLER TECHNOLOGIES AG4 citations71
US9249695B2Feb 2, 2016
Electric phasing of a concentric camshaft
SCHAEFFLER TECHNOLOGIES AG3 citations71
SCHAEFER JENS
4 patentsUS8766562B2Jul 1, 2014
Adjustment device for adjusting a relative rotational angle position of two shafts and method for operating an actuator, particularly of such an adjustment device
SCHAEFER JENS5 citations72
US8950371B2Feb 10, 2015
Three-shaft transmission having an elastic coupling element
SCHAEFER JENS5 citations66
US8757117B2Jun 24, 2014
Valve drive of an internal combustion engine having an adjustment device
SCHAEFER JENS2 citations59
US8813703B2Aug 26, 2014
Method for adjusting a crankshaft of an internal combustion engine, camshaft adjustment system, and internal combustion engine having an adjustable crankshaft
SCHAEFER JENS0 citations51