Assignee
WALTERSCHEID GMBH GKN
US·79 granted patents·1 pending application·842 citations·filing 1993–2018
Top patents by PatentIndex Score
80 records- 0191US7464526B2Drive assembly for locking one or several operating units of an agricultural implement or of a self-propelled implementWALTERSCHEID GMBH GKN·Filed 2002·Granted Dec 16, 2008·60 cites·4 claims
- 0290US10309466B2Protective device for a universal shaft as well as protective arrangement with universal shaft and such a protective deviceWALTERSCHEID GMBH GKN·Filed 2017·Granted Jun 4, 2019·6 cites·20 claims
- 0387US9915294B2Protective device for a universal shaft and protective arrangement with a universal shaft and such a protective deviceWALTERSCHEID GMBH GKN·Filed 2017·Granted Mar 13, 2018·7 cites·9 claims
- 0482US7314416B2Drive shaft couplingWALTERSCHEID GMBH GKN·Filed 2001·Granted Jan 1, 2008·23 cites·11 claims
- 0582US6857457B2Rotary feedthrough for a device for inflating or deflating a tire of a tractor wheelWALTERSCHEID GMBH GKN·Filed 2003·Granted Feb 22, 2005·21 cites·8 claims
- 0680US8870667B2Telescopic shaft with connection elementWALTERSCHEID GMBH GKN·Filed 2012·Granted Oct 28, 2014·9 cites·11 claims
- 0780US6406375B1Protective device for a drive assembly with a double universal jointWALTERSCHEID GMBH GKN·Filed 2000·Granted Jun 18, 2002·17 cites·10 claims
- 0879US6253859B1Lifting device for the lower steering arms of an attaching device of a tractorWALTERSCHEID GMBH GKN·Filed 2000·Granted Jul 3, 2001·27 cites·11 claims
- 0978US6386571B1Side strut for a lower steering arm of a tractorWALTERSCHEID GMBH GKN·Filed 2000·Granted May 14, 2002·26 cites·14 claims
- 1077US10018229B2Protection arrangement for a universal joint shaftWALTERSCHEID GMBH GKN·Filed 2016·Granted Jul 10, 2018·2 cites·5 claims
- 1176US7993205B2Coupling for limiting the torqueWALTERSCHEID GMBH GKN·Filed 2009·Granted Aug 9, 2011·5 cites·14 claims
- 1274US5462303ASide strut for a lower steering arm of a tractorWALTERSCHEID GMBH GKN·Filed 1994·Granted Oct 31, 1995·29 cites·4 claims
- 1373US5441117ACoupling hook for the lower steering arms of a three-point attaching device of a tractorWALTERSCHEID GMBH GKN·Filed 1993·Granted Aug 15, 1995·30 cites·16 claims
- 1471US5497835ACoupling hook for the lower steering arms of a three-point attaching device of a tractorWALTERSCHEID GMBH GKN·Filed 1994·Granted Mar 12, 1996·32 cites·10 claims
- 1570US6550511B2Arrangement comprising a wheel and a device for filling or deflating a tire of a vehicle, especially of a tractorWALTERSCHEID GMBH GKN·Filed 2001·Granted Apr 22, 2003·11 cites·7 claims
- 1668US6799666B2Torque limiting couplingWALTERSCHEID GMBH GKN·Filed 2003·Granted Oct 5, 2004·9 cites·7 claims
- 1767US6971452B2Device for controlling the position of a mountable implement relative to an implement carrier elementWALTERSCHEID GMBH GKN·Filed 2003·Granted Dec 6, 2005·20 cites·13 claims
- 1867US5868231ATorque limiting couplingWALTERSCHEID GMBH GKN·Filed 1997·Granted Feb 9, 1999·20 cites·3 claims
- 1966US7135785B2Generator unit for tractors and electrical drive system for agricultural devicesWALTERSCHEID GMBH GKN·Filed 2004·Granted Nov 14, 2006·19 cites·4 claims
- 2065US6616536B2Centered double universal jointWALTERSCHEID GMBH GKN·Filed 2002·Granted Sep 9, 2003·8 cites·5 claims
- 2164US7220075B2Coupling deviceWALTERSCHEID GMBH GKN·Filed 2004·Granted May 22, 2007·9 cites·7 claims
- 2264US6966838B2Protection arrangement for a joint, especially a double universal jointWALTERSCHEID GMBH GKN·Filed 2002·Granted Nov 22, 2005·13 cites·7 claims
- 2363US7997362B2Device for coupling a universal joint shaft with a power take-off shaft of a tractorWALTERSCHEID GMBH GKN·Filed 2008·Granted Aug 16, 2011·5 cites·19 claims
- 2463US6218737B1Device for setting the length of a top link of an attaching device of a tractorWALTERSCHEID GMBH GKN·Filed 1998·Granted Apr 17, 2001·20 cites·5 claims
- 2563US5733196ACoupling For Torque Limiting PurposesWALTERSCHEID GMBH GKN·Filed 1996·Granted Mar 31, 1998·17 cites·14 claims
- 2663US5366043ALubricating device for two plunging profiles slidable inside one another, especially of a propeller shaftWALTERSCHEID GMBH GKN·Filed 1993·Granted Nov 22, 1994·22 cites·10 claims
- 2761US6131937ASide strut for the lower steering arm of a tractorWALTERSCHEID GMBH GKN·Filed 1998·Granted Oct 17, 2000·22 cites·5 claims
- 2860US6863615B2Centered double universal jointWALTERSCHEID GMBH GKN·Filed 2002·Granted Mar 8, 2005·6 cites·5 claims
- 2960US6719636B2Centered double universal jointWALTERSCHEID GMBH GKN·Filed 2002·Granted Apr 13, 2004·6 cites·6 claims
- 3059US7166031B2Torque transmission deviceWALTERSCHEID GMBH GKN·Filed 2004·Granted Jan 23, 2007·7 cites·11 claims
- 3159US6123622AProtective device for a driveshaftWALTERSCHEID GMBH GKN·Filed 1998·Granted Sep 26, 2000·15 cites·4 claims
- 3258US6290605B1Assembly comprising a universal joint and a gear for a driveWALTERSCHEID GMBH GKN·Filed 2000·Granted Sep 18, 2001·8 cites·4 claims
- 3358US5772521AProtective device for a driveshaft having radial supporting means for the protective coneWALTERSCHEID GMBH GKN·Filed 1996·Granted Jun 30, 1998·14 cites·7 claims
- 3457US6691844B2Drive assembly, especially for agricultural implementsWALTERSCHEID GMBH GKN·Filed 2002·Granted Feb 17, 2004·5 cites·12 claims
- 3557US6159104AProtective device for a drive assembly with a double universal jointWALTERSCHEID GMBH GKN·Filed 1999·Granted Dec 12, 2000·14 cites·5 claims
- 3656US6420798B2Device for setting the length of a top link of an attaching device of a tractorWALTERSCHEID GMBH GKN·Filed 2001·Granted Jul 16, 2002·8 cites·6 claims
- 3756US6102804ALubricating device for lubricating the profiled tubes of a telescopic shaftWALTERSCHEID GMBH GKN·Filed 1998·Granted Aug 15, 2000·15 cites·7 claims
- 3856US5800271AProtective device for driveshafts having a removable protective coneWALTERSCHEID GMBH GKN·Filed 1996·Granted Sep 1, 1998·14 cites·10 claims
- 3955US7168545B2CouplingWALTERSCHEID GMBH GKN·Filed 2004·Granted Jan 30, 2007·7 cites·14 claims
- 4054US5718634ATorque limiting couplingWALTERSCHEID GMBH GKN·Filed 1995·Granted Feb 17, 1998·17 cites·12 claims
- 4153US6758285B2Coupling for coupling pulled implements or trailer having a drawbar to a tractorWALTERSCHEID GMBH GKN·Filed 2002·Granted Jul 6, 2004·13 cites·8 claims
- 4253US6354953B1Bearing ring for supporting a protective deviceWALTERSCHEID GMBH GKN·Filed 1999·Granted Mar 12, 2002·11 cites·10 claims
- 4352US6367369B1Side strut for a lower steering arm of a tractorWALTERSCHEID GMBH GKN·Filed 2000·Granted Apr 9, 2002·7 cites·7 claims
- 4452US6308588B1Angle drive having an integrated coupling with rotational playWALTERSCHEID GMBH GKN·Filed 1999·Granted Oct 30, 2001·13 cites·8 claims
- 4551US7950209B2Drive arrangement for an agricultural machineWALTERSCHEID GMBH GKN·Filed 2009·Granted May 31, 2011·2 cites·7 claims
- 4651US6749049B2Torque limiting couplingWALTERSCHEID GMBH GKN·Filed 2002·Granted Jun 15, 2004·3 cites·3 claims
- 4750US6896621B2Torque limiting couplingWALTERSCHEID GMBH GKN·Filed 2002·Granted May 24, 2005·4 cites·11 claims
- 4850US6659192B2Hydraulic lift device for an attaching deviceWALTERSCHEID GMBH GKN·Filed 2002·Granted Dec 9, 2003·7 cites·9 claims
- 4950US5538474ADriveshaft length adjusting mechanism with two profilesWALTERSCHEID GMBH GKN·Filed 1994·Granted Jul 23, 1996·14 cites·7 claims
- 5048US6196924B1Torque limiting coupling for a drivelineWALTERSCHEID GMBH GKN·Filed 1998·Granted Mar 6, 2001·10 cites·11 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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