Inventor · disambiguated record
Douglas Clarke
Also filed as: CLARKE DOUGLAS · CLARKE DOUGLAS C
5 granted patents·29 citations·filing 1989–2019
79Inventor score
Top patents by PatentIndex Score
5 records- 0180US10227125B2Steering system for a marine vesselMARINE CANADA ACQUISITION INC·Filed 2016·Granted Mar 12, 2019·4 cites·1 claims
- 0278US9477253B2Steering system for a marine vesselMARINE CANADA ACQUISITION INC·Filed 2013·Granted Oct 25, 2016·6 cites·7 claims
- 0378US9104227B2Steering apparatus for a steered vehicleMARINE CANADA ACQUISITION INC·Filed 2014·Granted Aug 11, 2015·4 cites·15 claims
- 0467US10780967B2Steering system for a marine vesselMARINE CANADA ACQUISITION INC·Filed 2019·Granted Sep 22, 2020·1 cites·2 claims
- 0553US5009068APneumatic cylinder with positioning, braking, and feed rate controlCLARKE DOUGLAS C·Filed 1989·Granted Apr 23, 1991·14 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →