Assignee
WALTERSCHEID GMBH JEAN
DE·122 granted patents·3 pending applications·2,467 citations·filing 1974–2024
Top patents by PatentIndex Score
125 records- 0198US4437782ASplined hub assembly for connecting two shaftsWALTERSCHEID GMBH JEAN·Filed 1982·Granted Mar 20, 1984·100 cites·4 claims
- 0295US4960344ALocking mechanism for fixing an outer part on an inner partWALTERSCHEID GMBH JEAN·Filed 1989·Granted Oct 2, 1990·55 cites·13 claims
- 0395US4103514ATelescoping torque transmitting shaftWALTERSCHEID GMBH JEAN·Filed 1976·Granted Aug 1, 1978·207 cites·6 claims
- 0494US4639163ADriveline coupling with safety interlock mechanismWALTERSCHEID GMBH JEAN·Filed 1984·Granted Jan 27, 1987·51 cites·12 claims
- 0594US4294340AOverload clutchWALTERSCHEID GMBH JEAN·Filed 1979·Granted Oct 13, 1981·43 cites·11 claims
- 0693US4566570AOverload clutchWALTERSCHEID GMBH JEAN·Filed 1983·Granted Jan 28, 1986·48 cites·10 claims
- 0793US4417650ASafety clutchWALTERSCHEID GMBH JEAN·Filed 1981·Granted Nov 29, 1983·41 cites·7 claims
- 0892US4579476ADrive shaft coupling mechanism with safety latchWALTERSCHEID GMBH JEAN·Filed 1984·Granted Apr 1, 1986·47 cites·7 claims
- 0990US4944354AThree-point coupling deviceWALTERSCHEID GMBH JEAN·Filed 1989·Granted Jul 31, 1990·48 cites·12 claims
- 1090US4595383ATelescopic shaft assemblyWALTERSCHEID GMBH JEAN·Filed 1984·Granted Jun 17, 1986·37 cites·4 claims
- 1188US4468206ATorque-limiting clutchWALTERSCHEID GMBH JEAN·Filed 1983·Granted Aug 28, 1984·32 cites·17 claims
- 1287US3977698ACoupling hook for a tractor three-point hitchWALTERSCHEID GMBH JEAN·Filed 1975·Granted Aug 31, 1976·25 cites·6 claims
- 1386US4616952AShaft coupling lockable in the released positionWALTERSCHEID GMBH JEAN·Filed 1986·Granted Oct 14, 1986·35 cites·2 claims
- 1486US4603998AShaft connection mechanismWALTERSCHEID GMBH JEAN·Filed 1984·Granted Aug 5, 1986·35 cites·5 claims
- 1584US4799817ADouble hookes jointWALTERSCHEID GMBH JEAN·Filed 1987·Granted Jan 24, 1989·42 cites·10 claims
- 1683US5318375ALock for securing a coupling sleeveWALTERSCHEID GMBH JEAN·Filed 1992·Granted Jun 7, 1994·38 cites·18 claims
- 1783US4318630ALocking device for a shaft coupling mechanismWALTERSCHEID GMBH JEAN·Filed 1980·Granted Mar 9, 1982·48 cites·11 claims
- 1882US4848547ATorque limiting clutchWALTERSCHEID GMBH JEAN·Filed 1988·Granted Jul 18, 1989·26 cites·4 claims
- 1982US4075873AFree-wheeling overload couplingWALTERSCHEID GMBH JEAN·Filed 1976·Granted Feb 28, 1978·24 cites·2 claims
- 2082US4071105ACoupling device for a power transmission shaftWALTERSCHEID GMBH JEAN·Filed 1976·Granted Jan 31, 1978·24 cites·9 claims
- 2181US4655614ABearing ring for drive assembly having wide angle joint and protective funnelWALTERSCHEID GMBH JEAN·Filed 1986·Granted Apr 7, 1987·37 cites·3 claims
- 2281US4538715AOverload clutch with vibration protection mechanismWALTERSCHEID GMBH JEAN·Filed 1982·Granted Sep 3, 1985·24 cites·2 claims
- 2381US4257243AHomokinetic double joint for wide bending anglesWALTERSCHEID GMBH JEAN·Filed 1979·Granted Mar 24, 1981·36 cites·3 claims
- 2481US4157019AReleasable coupling device for a power transmission shaftWALTERSCHEID GMBH JEAN·Filed 1977·Granted Jun 5, 1979·20 cites·6 claims
- 2580US6964435B2Coupling for connecting hydraulic ductsWALTERSCHEID GMBH JEAN·Filed 2003·Granted Nov 15, 2005·39 cites·9 claims
- 2679US4490125ALubricated wide angle jointWALTERSCHEID GMBH JEAN·Filed 1982·Granted Dec 25, 1984·22 cites·3 claims
- 2779US4445876AAdjustable friction overload clutchWALTERSCHEID GMBH JEAN·Filed 1981·Granted May 1, 1984·26 cites·5 claims
- 2879US4075872ATelescoping torque transmitting shaftWALTERSCHEID GMBH JEAN·Filed 1976·Granted Feb 28, 1978·26 cites·4 claims
- 2978US4107952AProtective guard assembly for a universal jointWALTERSCHEID GMBH JEAN·Filed 1977·Granted Aug 22, 1978·20 cites·3 claims
- 3077US4071263ACoupling hook for a three-point connection on a tractorWALTERSCHEID GMBH JEAN·Filed 1977·Granted Jan 31, 1978·25 cites·5 claims
- 3176US11629761B2Universal joint shaft with universal joint shaft protectionWALTERSCHEID GMBH JEAN·Filed 2020·Granted Apr 18, 2023·1 cites·8 claims
- 3276US5361850ASide strut for the lower steering arm of a three-point hitchWALTERSCHEID GMBH JEAN·Filed 1992·Granted Nov 8, 1994·37 cites·10 claims
- 3376US4802326AOverload coupling for protecting drive trains especially on agricultural machinesWALTERSCHEID GMBH JEAN·Filed 1987·Granted Feb 7, 1989·21 cites·16 claims
- 3476US4226316ATorque limiting clutch assembly with freewheeling actionWALTERSCHEID GMBH JEAN·Filed 1978·Granted Oct 7, 1980·20 cites·19 claims
- 3575US6168211B1Threaded connection with supporting ringWALTERSCHEID GMBH JEAN·Filed 1998·Granted Jan 2, 2001·49 cites·10 claims
- 3675US4540386AAxial securing device for universal joint assemblyWALTERSCHEID GMBH JEAN·Filed 1984·Granted Sep 10, 1985·20 cites·1 claims
- 3774US3961677ADevice for connecting a power transmission shaft of an agricultural implement, machine or the like to a tractor power take-off shaftWALTERSCHEID GMBH JEAN·Filed 1974·Granted Jun 8, 1976·22 cites·6 claims
- 3873US4460077AOverload clutch assemblyWALTERSCHEID GMBH JEAN·Filed 1981·Granted Jul 17, 1984·19 cites·7 claims
- 3973US4295389AAdjustable length upper guide memberWALTERSCHEID GMBH JEAN·Filed 1978·Granted Oct 20, 1981·24 cites·4 claims
- 4073US4241935ACoupling hook structure for tractor hitch systemWALTERSCHEID GMBH JEAN·Filed 1979·Granted Dec 30, 1980·16 cites·2 claims
- 4173US4236388ASeparable three-section telescopic drive shaftWALTERSCHEID GMBH JEAN·Filed 1979·Granted Dec 2, 1980·15 cites·5 claims
- 4271US4568114AThreaded pipe connectorWALTERSCHEID GMBH JEAN·Filed 1984·Granted Feb 4, 1986·33 cites·10 claims
- 4370US4279431ACoupling hookWALTERSCHEID GMBH JEAN·Filed 1979·Granted Jul 21, 1981·14 cites·3 claims
- 4469US5267904AHooks universal joint having supporting memberWALTERSCHEID GMBH JEAN·Filed 1991·Granted Dec 7, 1993·20 cites·10 claims
- 4568US4050715ACoupling hook for a guide member of a three-point attachment of a tractorWALTERSCHEID GMBH JEAN·Filed 1976·Granted Sep 27, 1977·12 cites·4 claims
- 4667US5054594APawl freewheel clutchWALTERSCHEID GMBH JEAN·Filed 1990·Granted Oct 8, 1991·19 cites·17 claims
- 4767US4146246AThree point linkageWALTERSCHEID GMBH JEAN·Filed 1977·Granted Mar 27, 1979·12 cites·8 claims
- 4866US5342241ATorque limiting coupling with driving members and switching cams having complementary facesWALTERSCHEID GMBH JEAN·Filed 1992·Granted Aug 30, 1994·19 cites·9 claims
- 4966US5050684ACoupling hookWALTERSCHEID GMBH JEAN·Filed 1990·Granted Sep 24, 1991·34 cites·13 claims
- 5066US4366967ACoupling hook assemblyWALTERSCHEID GMBH JEAN·Filed 1980·Granted Jan 4, 1983·20 cites·3 claims
Showing the top 50 of 125 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when WALTERSCHEID GMBH JEAN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →