Inventor · disambiguated record
John C. Dahlheimer
Also filed as: DAHLHEIMER JOHN · DAHLHEIMER JOHN C
16 granted patents·3 pending applications·303 citations·filing 1990–2009
94Inventor score
Files withFREUDENBERG NOK GP18
Top patents by PatentIndex Score
19 records- 0191US7311307B2Seal seat assembly with specialized featuresFREUDENBERG NOK GP·Filed 2005·Granted Dec 25, 2007·18 cites·22 claims
- 0288US7845740B2Unitized seal with integral spacerFREUDENBERG NOK GP·Filed 2009·Granted Dec 7, 2010·11 cites·20 claims
- 0386US7963526B2Prelubricated multi-lipped radial shaft seal with large radial offset accommodationFREUDENBERG NOK GP·Filed 2007·Granted Jun 21, 2011·12 cites·22 claims
- 0484US7431304B2Face seal with constriction ringFREUDENBERG NOK GP·Filed 2005·Granted Oct 7, 2008·11 cites·20 claims
- 0584US5676382AMechanical face seal assembly including a gasketFREUDENBERG NOK GP·Filed 1995·Granted Oct 14, 1997·50 cites·16 claims
- 0681US7673479B2Seal seat ring component with locking and venting featuresFREUDENBERG NOK GP·Filed 2006·Granted Mar 9, 2010·9 cites·20 claims
- 0781US6062815AUnitized seal impeller thrust systemFREUDENBERG NOK GP·Filed 1998·Granted May 16, 2000·47 cites·30 claims
- 0880US6805357B2Bellows face seal assemblyFREUDENBERG NOK GP·Filed 2002·Granted Oct 19, 2004·21 cites·13 claims
- 0977US6113106AGimballed mechanical face sealFREUDENBERG NOK GP·Filed 1997·Granted Sep 5, 2000·38 cites·37 claims
- 1075US5123660AExtended life mechanical face seal assemblyFREUDENBERG NOK GP·Filed 1990·Granted Jun 23, 1992·44 cites·16 claims
- 1173US7887062B2Radial shaft seal with large radial offset accommodationFREUDENBERG NOK GP·Filed 2007·Granted Feb 15, 2011·5 cites·24 claims
- 1265US6328528B1Elastomeric pump impellerFREUDENBERG NOK GP·Filed 2000·Granted Dec 11, 2001·14 cites·20 claims
- 1354US7431303B2Heat conducting sealFREUDENBERG NOK GP·Filed 2004·Granted Oct 7, 2008·7 cites·20 claims
- 1452US7108266B2Fan cooled seal seatFREUDENBERG NOK GP·Filed 2003·Granted Sep 19, 2006·4 cites·7 claims
- 1551US2006290067A1Unitized seal with integral spacerFREUDENBERG NOK GP·Filed 2005·Application pending·0 cites
- 1649US2008048400A1Unitized seal with integral flanged sleeveFREUDENBERG NOK GP·Filed 2006·Application pending·0 cites
- 1748US6896481B2Deflectable enclosure coverFREUDENBERG NOK GP·Filed 2003·Granted May 24, 2005·4 cites·14 claims
- 1841US2004026868A1Face seal with secondary sealFiled 2003·Application pending·0 cites
- 1938US5951241ARegenerative turbine pump coverFREUDENBERG NOK GP·Filed 1997·Granted Sep 14, 1999·8 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →