Inventor · disambiguated record
Charles Smith
Also filed as: SMITH CHARLES · SMITH CHARLES P · SMITH CHARLES PHILIP
5 granted patents·36 citations·filing 1974–2023
71Inventor score
Top patents by PatentIndex Score
5 records- 0178US3992979AHydraulic actuating arrangementsLUCAS INDUSTRIES LTD·Filed 1974·Granted Nov 23, 1976·34 cites·6 claims
- 0250US12013055B2Lighted municipal valve keyCPI EXCAVATING INC·Filed 2020·Granted Jun 18, 2024·0 cites·17 claims
- 0348US12281720B2Spool valve actuatorHuntington Ingalls Incorporated·Filed 2023·Granted Apr 22, 2025·0 cites·21 claims
- 0438US10876651B2Lighted municipal valve keyCPI EXCAVATING INC·Filed 2015·Granted Dec 29, 2020·0 cites·6 claims
- 0528US5103109AGround-loop interruption circuitGENRAD INC·Filed 1990·Granted Apr 7, 1992·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →