Inventor · disambiguated record
Martin Kruppa
Also filed as: KRUPPA MARTIN
9 granted patents·3 pending applications·97 citations·filing 1998–2017
85Inventor score
Files withINA SCHAEFFLER KG4KRUPPA MARTIN2SCHAEFFLER KG2SCHAEFFLER WAELZLAGER OHG2GRELL KARL-LUDWIG1
Top patents by PatentIndex Score
12 records- 0186US6050571ASealing arrangement for a cardan spider bushingSCHAEFFLER WAELZLAGER OHG·Filed 1998·Granted Apr 18, 2000·51 cites·14 claims
- 0275US6357754B1Seal for a bearing bushSCHAEFFLER WAELZLAGER OHG·Filed 1998·Granted Mar 19, 2002·31 cites·14 claims
- 0367US7140967B2Displacement jointINA SCHAEFFLER KG·Filed 2003·Granted Nov 28, 2006·8 cites·17 claims
- 0463US7160194B2Displacement jointINA SCHAEFFLER KG·Filed 2006·Granted Jan 9, 2007·2 cites·15 claims
- 0558US7846031B2Universal joint socket with axial guidingSCHAEFFLER KG·Filed 2006·Granted Dec 7, 2010·1 cites·7 claims
- 0655US8460115B2Bearing bush seal attached to a universal joint pivot pinKRUPPA MARTIN·Filed 2010·Granted Jun 11, 2013·1 cites·3 claims
- 0753US8092311B2Bearing arrangement in a universal jointKRUPPA MARTIN·Filed 2005·Granted Jan 10, 2012·1 cites·11 claims
- 0849US2008108444A1Bearing arrangement for supporting a trunnion of an universal jointINA SCHAEFFLER KG·Filed 2007·Application pending·0 cites
- 0946US7178984B2Bearing arrangement for supporting a trunnion of an universal jointINA SCHAEFFLER KG·Filed 2004·Granted Feb 20, 2007·2 cites·12 claims
- 1039US2019145467A1Carbonitriding of universal joint bushesSCHAEFFLER TECHNOLOGIES AG·Filed 2017·Application pending·0 cites
- 1137US2006070685A1Thin-walled bearing component, produced without material-removing machiningGRELL KARL-LUDWIG·Filed 2005·Application pending·0 cites
- 1235US7833104B2Sealing ring for a universal joint bushSCHAEFFLER KG·Filed 2005·Granted Nov 16, 2010·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →