Inventor · disambiguated record
Edwin C. Lewis, Ii
Also filed as: LEWIS EDWIN A · LEWIS EDWIN C · LEWIS II EDWIN C
4 granted patents·1 pending application·80 citations·filing 1978–2014
77Inventor score
Top patents by PatentIndex Score
5 records- 0182US4270440AHigh pressure piston and sealWEATHERFORD DMC·Filed 1979·Granted Jun 2, 1981·41 cites·13 claims
- 0265US9581154B2Piston with a heat exchangerTSC MFG AND SUPPLY LLC·Filed 2014·Granted Feb 28, 2017·2 cites·19 claims
- 0361US4516477AClosure for openings in pumpsLEWIS EDWIN C·Filed 1983·Granted May 14, 1985·23 cites·9 claims
- 0452US4158389AChemical cutting apparatus and method for use in wellsWEATHERFORD DMC·Filed 1978·Granted Jun 19, 1979·14 cites·11 claims
- 0528US2005036536A1High throughout energy arrayFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →