Inventor · disambiguated record

Frank E. Bretz

Also filed as: BRETZ FRANK E · BRETZ JR FRANK E

2 granted patents·18 citations·filing 1974–1983

58Inventor score

Technology areasF25D Y10T

Files withAJAX CONSOLIDATED CO1 CLEVELAND HARDWARE & FORGING1

Top patents by PatentIndex Score

2 records

0133US3933225AShock absorbing means for railway hand brake mechanismCLEVELAND HARDWARE & FORGING·Filed 1974·Granted Jan 20, 1976·6 cites·9 claims
0228US4507937AVehicle refrigeration unit and mounting assemblyAJAX CONSOLIDATED CO·Filed 1983·Granted Apr 2, 1985·12 cites·28 claims

Join the waitlist — get patent alerts

Get an alert when Frank E. Bretz 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 →