JD

John C. Dahlheimer

FP Freudenberg-Nok General Partnership: 15 patents #3 of 160Top 2%
📍 Laconia, NH: #2 of 60 inventorsTop 4%
🗺 New Hampshire: #822 of 12,181 inventorsTop 7%
Overall (All Time): #300,532 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7963526 Prelubricated multi-lipped radial shaft seal with large radial offset accommodation 2011-06-21
7887062 Radial shaft seal with large radial offset accommodation 2011-02-15
7845740 Unitized seal with integral spacer 2010-12-07
7673479 Seal seat ring component with locking and venting features 2010-03-09
7431303 Heat conducting seal 2008-10-07
7431304 Face seal with constriction ring 2008-10-07
7311307 Seal seat assembly with specialized features 2007-12-25
7108266 Fan cooled seal seat 2006-09-19
6896481 Deflectable enclosure cover 2005-05-24
6805357 Bellows face seal assembly 2004-10-19
6328528 Elastomeric pump impeller 2001-12-11
6113106 Gimballed mechanical face seal 2000-09-05
6062815 Unitized seal impeller thrust system Robert S. Holt 2000-05-16
5951241 Regenerative turbine pump cover 1999-09-14
5676382 Mechanical face seal assembly including a gasket 1997-10-14
5123660 Extended life mechanical face seal assembly Robert E. Doucette, Kevin F. Ice 1992-06-23