Inventor · disambiguated record
Harold C. Hubbard
Also filed as: HUBBARD HAROLD · HUBBARD HAROLD C
4 granted patents·1 pending application·119 citations·filing 1975–2025
79Inventor score
Top patents by PatentIndex Score
5 records- 0193US4184377AHydraulic pressure transducer with electrical outputMOTOR WHEEL CORP·Filed 1978·Granted Jan 22, 1980·55 cites·3 claims
- 0289US4033630ARemote control circuit for electric trailer brakesMOTOR WHEEL CORP·Filed 1975·Granted Jul 5, 1977·30 cites·11 claims
- 0383US4076327ARemote control circuit for electric trailer brakesMOTOR WHEEL CORP·Filed 1977·Granted Feb 28, 1978·29 cites·5 claims
- 0457US2025249981A1Collapsible pedal boatGROBERG DAYLE·Filed 2025·Application pending·0 cites
- 0537US4128146ARemote control circuit for electric trailer brakesMOTOR WHEEL CORP·Filed 1977·Granted Dec 5, 1978·5 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Harold C. Hubbard files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →