Inventor · disambiguated record
Herbert Coenen
Also filed as: COENEN HERBERT
13 granted patents·3 pending applications·184 citations·filing 1989–2023
92Inventor score
Top patents by PatentIndex Score
16 records- 0190US4944354AThree-point coupling deviceWALTERSCHEID GMBH JEAN·Filed 1989·Granted Jul 31, 1990·48 cites·12 claims
- 0279US6253859B1Lifting 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
- 0366US2024196773A1Connector link of three-point linkageUNIPARTS INDIA LTD·Filed 2023·Application pending·0 cites
- 0464US6966838B2Protection arrangement for a joint, especially a double universal jointWALTERSCHEID GMBH GKN·Filed 2002·Granted Nov 22, 2005·13 cites·7 claims
- 0563US6218737B1Device 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
- 0661US6131937ASide strut for the lower steering arm of a tractorWALTERSCHEID GMBH GKN·Filed 1998·Granted Oct 17, 2000·22 cites·5 claims
- 0756US6420798B2Device 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
- 0854US2023276725A1Lower link hookUNIPARTS INDIA LTD·Filed 2021·Application pending·0 cites
- 0952US6367369B1Side strut for a lower steering arm of a tractorWALTERSCHEID GMBH GKN·Filed 2000·Granted Apr 9, 2002·7 cites·7 claims
- 1050US6659192B2Hydraulic lift device for an attaching deviceWALTERSCHEID GMBH GKN·Filed 2002·Granted Dec 9, 2003·7 cites·9 claims
- 1148US5823271ALifting rod for the three-point attaching device of a tractorWALTERSCHEID GMBH GKN·Filed 1997·Granted Oct 20, 1998·13 cites·10 claims
- 1247US2008056812A1Ball couplingUNIPARTS INDIA LTD·Filed 2007·Application pending·0 cites
- 1345US6283488B1Device for stabilizing the lower steering arms of a tractorWALTERSCHEID GMBH GKN·Filed 1998·Granted Sep 4, 2001·11 cites·3 claims
- 1434US5263734ACoupling device for attaching towable implements to a tractorWALTERSCHEID GMBH JEAN·Filed 1992·Granted Nov 23, 1993·4 cites·19 claims
- 1533US7144327B2Protection arrangementWALTERSCHEID GMBH GKN·Filed 2004·Granted Dec 5, 2006·2 cites·10 claims
- 1627US5704432ACoupling and centering device for attachment to a journal used in connecting the lower steering arm of a three point hitch of a tractorWALTERSCHEID GMBH GKN·Filed 1994·Granted Jan 6, 1998·2 cites·3 claims
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