Inventor · disambiguated record
John R. Laughlin
Also filed as: LAUGHLIN JOHN · LAUGHLIN JOHN R
3 granted patents·1 pending application·128 citations·filing 1978–2025
76Inventor score
Top patents by PatentIndex Score
4 records- 0195US4728761AMethod and apparatus for hardening axially spaced cams on a camshaftTOCCO INC·Filed 1986·Granted Mar 1, 1988·65 cites·54 claims
- 0294US4604510AMethod and apparatus for heat treating camshaftsTOCCO INC·Filed 1985·Granted Aug 5, 1986·45 cites·26 claims
- 0376US4184798AWorkpiece rotating and feeding apparatusPARK OHIO INDUSTRIES INC·Filed 1978·Granted Jan 22, 1980·18 cites·8 claims
- 0452US2025376919A1Sand catcher for downhole pump and method for using sameOIL TOOL SOLUTIONS INC·Filed 2025·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when John R. Laughlin 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 →