Inventor · disambiguated record
Michael L. Crabtree
Also filed as: CRABTREE MICHAEL L
11 granted patents·1 pending application·136 citations·filing 1987–2022
89Inventor score
Files withGATES CORP3FREUDENBERG NOK GP2GATES RUBBER CO2ILJIN USA CORP2VIBRACOUSTIC NORTH AMERICA L P2
Top patents by PatentIndex Score
12 records- 0189US4763883AAirspring and sleeveGATES RUBBER CO·Filed 1987·Granted Aug 16, 1988·52 cites·25 claims
- 0271US6386523B1Dual lobe airspringGATES CORP·Filed 2000·Granted May 14, 2002·17 cites·7 claims
- 0368USRE46112EDual lobe airspringVIBRACOUSTIC NORTH AMERICA L P·Filed 2014·Granted Aug 16, 2016·2 cites·36 claims
- 0466US5752692ASide load compensating airspring strutGATES CORP·Filed 1997·Granted May 19, 1998·31 cites·10 claims
- 0561US11999207B2Air springs and methods for making the sameILJIN USA CORP·Filed 2022·Granted Jun 4, 2024·0 cites·19 claims
- 0659US7967280B2Air spring with debris and ice barrierVIBRACOUSTIC NORTH AMERICA L P·Filed 2006·Granted Jun 28, 2011·2 cites·7 claims
- 0754US11433726B2Air springs and methods for making the sameILJIN USA CORP·Filed 2020·Granted Sep 6, 2022·0 cites·23 claims
- 0852US6902155B1Air spring elliptical pistonFREUDENBERG NOK GP·Filed 2003·Granted Jun 7, 2005·5 cites·2 claims
- 0950US4954194AMethod for making an airspring and sleeveGATES RUBBER CO·Filed 1988·Granted Sep 4, 1990·13 cites·13 claims
- 1044US5918863ASide load compensating airspring for a vehicle suspension and methodGATES CORP·Filed 1997·Granted Jul 6, 1999·14 cites·14 claims
- 1139US7588234B2Airspring sleeveFREUDENBERG NOK GP·Filed 2003·Granted Sep 15, 2009·0 cites·5 claims
- 1236US2012098173A1Rebound Control Enhancement For Air SpringsCRABTREE MICHAEL L·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →