Inventor · disambiguated record
Martin Grehn
Also filed as: GREHN MARTIN
14 granted patents·6 pending applications·128 citations·filing 1984–2013
92Inventor score
Files withKUGELFISCHER G SCHAEFER & CO5SCHAEFFLER KG3SCHAEFFLER TECHNOLOGIES AG3FAG OEM & HANDEL AG2FAG KUGELFISCHER AG1
Top patents by PatentIndex Score
20 records- 0165US5199801ATwo row angular-contact roller bearingKUGELFISCHER G SCHAEFER & CO·Filed 1991·Granted Apr 6, 1993·28 cites·17 claims
- 0264US8956052B2Sealed anti-friction bearingHOFBAUER FELIX·Filed 2011·Granted Feb 17, 2015·3 cites·11 claims
- 0364US6926446B2Radial self-aligning rolling bearingFAG KUGELFISCHER AG & CO KG·Filed 2003·Granted Aug 9, 2005·10 cites·7 claims
- 0463US8043008B2Rolling-element bearing unitSCHAEFFLER KG·Filed 2007·Granted Oct 25, 2011·2 cites·5 claims
- 0562US8794841B2Toroidal bearingSCHRODER RAINER·Filed 2011·Granted Aug 5, 2014·2 cites·5 claims
- 0661US7427163B2Self-aligning antifriction bearing and cage for said self-aligning antifriction bearingSCHAEFFLER KG·Filed 2004·Granted Sep 23, 2008·10 cites·13 claims
- 0757US4714358ACage for lipless roller bearingsKUGELFISCHER G SCHAEFER & CO·Filed 1986·Granted Dec 22, 1987·19 cites·6 claims
- 0855US6296395B1Self-aligning roller bearingFAG OEM & HANDEL AG·Filed 1998·Granted Oct 2, 2001·16 cites·12 claims
- 0951US7338213B2Barrel-shaped bearingFAG KUGELFISCHER AG·Filed 2003·Granted Mar 4, 2008·5 cites·16 claims
- 1051US4609293ALubrication feed bushing for anti-friction bearingsKUGELFISCHER G SCHAEFER & CO·Filed 1984·Granted Sep 2, 1986·14 cites·2 claims
- 1145US5702187AGuide ring for roller bearingFAG OEM & HANDEL AG·Filed 1997·Granted Dec 30, 1997·11 cites·17 claims
- 1243US2013129269A1Double-row self-aligning roller bearingSCHAEFFLER TECHNOLOGIES AG·Filed 2012·Application pending·0 cites
- 1340US2012008892A1Antifriction bearing for mounting the rotor of a wind power plantGREHN MARTIN·Filed 2011·Application pending·0 cites
- 1440US2007189652A1Pin-cage for a twin-row self-aligning roller bearingSCHAEFFLER KG·Filed 2005·Application pending·0 cites
- 1540US2015316104A1Pedestal bearing housingSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Application pending·0 cites
- 1640US2014086519A1Anti-friction bearing, in particular two-row anti-friction bearing, having a power generation unit, in particular for mounting a rollerSCHAEFFLER TECHNOLOGIES AG·Filed 2012·Application pending·0 cites
- 1735US2014079350A1Bearing with an energy production unit, in particular self-aligning roller bearing for the mounting of a rollerRINK THOMAS·Filed 2012·Application pending·0 cites
- 1831US6400136B1Device for measuring rotational speed or direction on rolling-contact bearingsFiled 1998·Granted Jun 4, 2002·4 cites·8 claims
- 1931US5567059AWindow cageKUGELFISCHER G SCHAEFER & CO·Filed 1995·Granted Oct 22, 1996·4 cites·15 claims
- 2029US4813795AHighly loaded case hardened ringKUGELFISCHER G SCHAEFER & CO·Filed 1988·Granted Mar 21, 1989·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →