Inventor · disambiguated record
John E. Gerfen
Also filed as: GERFEN JOHN E
3 granted patents·50 citations·filing 2004–2019
68Inventor score
Top patents by PatentIndex Score
3 records- 0186US7391116B2Fretting and whisker resistant coating system and methodGBC METALS LLC·Filed 2004·Granted Jun 24, 2008·40 cites·2 claims
- 0284US7808109B2Fretting and whisker resistant coating system and methodGBC METALS L L C·Filed 2008·Granted Oct 5, 2010·10 cites·25 claims
- 0339US11041582B2Anti-rotational push to connect fittingCERRO FLOW PRODUCTS LLC·Filed 2019·Granted Jun 22, 2021·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →