Inventor · disambiguated record

James P. Fromfield

Also filed as: FROMFIELD JAMES P

2 granted patents·69 citations·filing 1975–1978

66Inventor score

Technology areasF16K

Files withAUTOMATIC SWITCH CO2

Top patents by PatentIndex Score

2 records

0182US4058287APilot-operated valve having constant closing rateAUTOMATIC SWITCH CO·Filed 1975·Granted Nov 15, 1977·43 cites·7 claims
0268US4179096AValve member for pilot operated valvesAUTOMATIC SWITCH CO·Filed 1978·Granted Dec 18, 1979·26 cites·4 claims

Join the waitlist — get patent alerts

Get an alert when James P. Fromfield 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 →