Inventor
GOPPELT DIETER
DE15 patents
⚠️ This page may combine multiple inventors who share the name “GOPPELT DIETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHAEFFLER WAELZLAGER KG
10 patentsUS4792322ADec 20, 1988
Chain tightener
SCHAEFFLER WAELZLAGER KG77 citations96
US4790801ADec 13, 1988
Mechanic-hydraulic actuating element for a belt tightener
SCHAEFFLER WAELZLAGER KG61 citations96
US4772251ASep 20, 1988
Novel chain tightener assembly
SCHAEFFLER WAELZLAGER KG44 citations92
US4721076AJan 26, 1988
Self-adjusting hydraulic valve tappet
SCHAEFFLER WAELZLAGER KG10 citations74
US5727508AMar 17, 1998
Pressure medium sealing in a camshaft adjusting device
SCHAEFFLER WAELZLAGER KG13 citations73
US4969858ANov 13, 1990
Tensioning device for belts
SCHAEFFLER WAELZLAGER KG10 citations73
US4854922AAug 8, 1989
Belt tensioning device
SCHAEFFLER WAELZLAGER KG18 citations73
US4782799ANov 8, 1988
Self-adjusting hydraulic valve tappet
SCHAEFFLER WAELZLAGER KG15 citations73
US4902268AFeb 20, 1990
Belt tensioning device
SCHAEFFLER WAELZLAGER KG6 citations62
US5803032ASep 8, 1998
Pressure medium sealing in a camshaft adjusting device
SCHAEFFLER WAELZLAGER KG0 citations51
SCHAEFFLER WAELZLAGER OHG
3 patentsUS6418897B1Jul 16, 2002
Device for adjusting the angle of rotation of a camshaft
SCHAEFFLER WAELZLAGER OHG28 citations92
US6089198AJul 18, 2000
Device for varying the opening and closing times of gas exchange valves of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG9 citations71
US5970930AOct 26, 1999
Device for changing the opening and closing times of the gas-exchange valves in an internal-combustion engine
SCHAEFFLER WAELZLAGER OHG5 citations62