Inventor
SPEIL WALTER
DE62 patents
⚠️ This page may combine multiple inventors who share the name “SPEIL WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHAEFFLER WAELZLAGER KG
22 patentsUS5782216AJul 21, 1998
Engageable tappet for a valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER KG63 citations93
US5669342ASep 23, 1997
Device for simultaneous actuation of at least two gas exchange valves
SCHAEFFLER WAELZLAGER KG35 citations93
US5261361ANov 16, 1993
Assembly for simultaneously actuating two valves of an internal combustion engine
SCHAEFFLER WAELZLAGER KG43 citations93
US4747376AMay 31, 1988
Hydraulic valve clearance compensation element
SCHAEFFLER WAELZLAGER KG30 citations93
US5954020ASep 21, 1999
Cup-shaped tappet
SCHAEFFLER WAELZLAGER KG19 citations89
US5622146AApr 22, 1997
Finger lever for actuating gas exchange valves
SCHAEFFLER WAELZLAGER KG18 citations84
US4856468AAug 15, 1989
Ball-and-socket joint
SCHAEFFLER WAELZLAGER KG21 citations81
US5890463AApr 6, 1999
Tappet with a hydraulic valve clearance compensation element
SCHAEFFLER WAELZLAGER KG6 citations74
US5860399AJan 19, 1999
Hydraulic clearance compensation element
SCHAEFFLER WAELZLAGER KG8 citations74
US5746165AMay 5, 1998
Valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER KG11 citations73
US4876994AOct 31, 1989
Hydraulic play compensation element
SCHAEFFLER WAELZLAGER KG18 citations73
US5503121AApr 2, 1996
Oil supply for a valve actuation device
SCHAEFFLER WAELZLAGER KG16 citations72
US5501187AMar 26, 1996
Connection of a guide rail of a valve actuation device with a camshaft bearing
SCHAEFFLER WAELZLAGER KG16 citations72
US5787850AAug 4, 1998
Hydraulic clearance compensation element
SCHAEFFLER WAELZLAGER KG2 citations63
US5778839AJul 14, 1998
Finger lever for actuating a gas exchange valve
SCHAEFFLER WAELZLAGER KG5 citations63
US5727509AMar 17, 1998
Cam follower in the form of a tappet or a lever having a hydraulic valve clearance compensation element
SCHAEFFLER WAELZLAGER KG5 citations63
US5636604AJun 10, 1997
Tappet for a valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER KG3 citations63
US5595149AJan 21, 1997
Method of first filling of a hydraulic valve actuating device
SCHAEFFLER WAELZLAGER KG3 citations63
US5586528ADec 24, 1996
Tappet for the valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER KG4 citations63
US5450826ASep 19, 1995
Tappet for the valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER KG2 citations63
US5408959AApr 25, 1995
Tappet with hydraulic valve clearance compensation and floating piston
SCHAEFFLER WAELZLAGER KG3 citations63
US5117787AJun 2, 1992
Self-adjusting hydraulic valve tappet
SCHAEFFLER WAELZLAGER KG5 citations63
SCHAEFFLER WAELZLAGER OHG
14 patentsUS5875748AMar 2, 1999
Device and method for operating a valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG54 citations96
US5832884ANov 10, 1998
Device and method for operating a valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG32 citations93
US6138626AOct 31, 2000
Operating lever for a valve train of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG16 citations84
US5975038ANov 2, 1999
Pushrod for operating the valve gear mechanism of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG18 citations84
US6220213B1Apr 24, 2001
Rocker arm installed in a cylinder head of a valve train of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG10 citations74
US6032631AMar 7, 2000
Tappet for a valve train of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG6 citations74
US5979385ANov 9, 1999
Valve tappet actuated by the cam of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG9 citations74
US6470842B2Oct 29, 2002
Lever-type cam follower
SCHAEFFLER WAELZLAGER OHG2 citations63
US6318322B1Nov 20, 2001
Valve drive of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG2 citations63
US6192846B1Feb 27, 2001
Housing for an engageable and disengageable bucket tappet
SCHAEFFLER WAELZLAGER OHG6 citations63
US6119644ASep 19, 2000
Hydraulic clearance compensation element
SCHAEFFLER WAELZLAGER OHG4 citations63
US6089200AJul 18, 2000
Valve tappet actuated by a CAM of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG1 citations63
US6065435AMay 23, 2000
Valve tappet actuated by a cam of an internal combustion engine
SCHAEFFLER WAELZLAGER OHG4 citations63
US5884595AMar 23, 1999
Mechanical cup pushrod for an internal combustion engine's valve gear
SCHAEFFLER WAELZLAGER OHG4 citations63
MOTOMAK
10 patentsUS4465038AAug 14, 1984
Valve tappet
MOTOMAK30 citations93
US4437439AMar 20, 1984
Valve tappet
MOTOMAK20 citations82
US4924825AMay 15, 1990
Outer guide means for a valve tappet
MOTOMAK9 citations74
US4864982ASep 12, 1989
Inner element for an hydraulic valve play compensation element
MOTOMAK7 citations74
US4745889AMay 24, 1988
Hydraulic valve tappet
MOTOMAK11 citations74
US4729350AMar 8, 1988
Hydraulic valve clearance compensation apparatus for internal combustion engines
MOTOMAK13 citations74
US4708103ANov 24, 1987
Hydraulic valve clearance compensation device
MOTOMAK15 citations74
US4579094AApr 1, 1986
Cup-shaped casing for a hydraulic tappet
MOTOMAK18 citations73
US4716867AJan 5, 1988
Inner element for a hydraulic value compensation element
MOTOMAK5 citations63
US4686947AAug 18, 1987
Hydraulic cup-shaped valve tappets
MOTOMAK6 citations63
INA SCHAEFFLER KG
1 patentMOTOMAK MOTORENBAU MACHINEN UN
1 patent(unassigned)
1 patentROUSSEL UCLAF
1 patentShowing the top 50 of 62 patents by PatentIndex Score.