Inventor · disambiguated record
Charles Stewart
Also filed as: STEWART CHARLES · STEWART CHARLES F · STEWART CHARLES FREDERICK · STEWART CHARLES M
6 granted patents·1 pending application·196 citations·filing 1978–2017
84Inventor score
Top patents by PatentIndex Score
7 records- 0190US4444285AElectro-mechanical propulsion systemSTEWART CHARLES F·Filed 1981·Granted Apr 24, 1984·127 cites·14 claims
- 0285US4244436AVehicle with power driven skiROPER CORP·Filed 1979·Granted Jan 13, 1981·39 cites·18 claims
- 0369USD266917SPower driven ski vehicleROPER CORP·Filed 1978·Granted Nov 16, 1982·10 cites·1 claims
- 0464US4286682AMotorized ski bobROPER CORP·Filed 1978·Granted Sep 1, 1981·17 cites·12 claims
- 0549US10230319B2Higher-electro-infusion systems for electrical powerSTEWART CHARLES FREDERICK·Filed 2017·Granted Mar 12, 2019·0 cites·1 claims
- 0644USD267000SPower driven ski vehicleROPER CORP·Filed 1978·Granted Nov 23, 1982·3 cites·1 claims
- 0739US2006186635A1Lightweight, Compact, Field Transport Device for Kayaks and Canoes.STEWART CHARLES M·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →