Inventor · disambiguated record
A. Todd Hagen
Also filed as: HAGEN A TODD
2 granted patents·1 pending application·27 citations·filing 2002–2015
61Inventor score
Top patents by PatentIndex Score
3 records- 0180US7604243B2Composite seals, seal structures and related methodsMACROTECH POLYSEAL INC·Filed 2006·Granted Oct 20, 2009·11 cites·13 claims
- 0266US7134671B2Lip seal having increased contact force at interface and apparatus incorporating the sameMACROTECH POLYSEAL INC·Filed 2002·Granted Nov 14, 2006·16 cites·35 claims
- 0328US2016178070A1Plug valve sealRUSHTON TIMOTHY H·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →