Inventor · disambiguated record
Richard M. Hanula
Also filed as: HANULA RICHARD M
9 granted patents·126 citations·filing 1980–1985
88Inventor score
Technology areasB61G
Top patents by PatentIndex Score
9 records- 0176US4645085AMethod of enhancing rigidity in a railway car coupler knuckleNAT CASTINGS INC·Filed 1985·Granted Feb 24, 1987·39 cites·4 claims
- 0274US4597499ABiased pin retainer block for a rotary coupling systemHANULA RICHARD M·Filed 1984·Granted Jul 1, 1986·29 cites·18 claims
- 0359US4635804AYoke for railway car coupler assemblyHANULA RICHARD M·Filed 1985·Granted Jan 13, 1987·19 cites·8 claims
- 0455US4637518ACoupler for a railway car coupler assemblySEHER ACQUISITION CORP·Filed 1985·Granted Jan 20, 1987·18 cites·5 claims
- 0542US4428489ARotary railroad car F couplerMIDLAND ROSS CORP·Filed 1981·Granted Jan 31, 1984·8 cites·10 claims
- 0638US4328900ARotary coupler with improved pin bearingMIDLAND ROSS CORP·Filed 1980·Granted May 11, 1982·6 cites·8 claims
- 0731US4593828ARotary railroad car F couplerHANULA RICHARD M·Filed 1983·Granted Jun 10, 1986·4 cites·6 claims
- 0829US4310099ARotary connectorMIDLAND ROSS CORP·Filed 1980·Granted Jan 12, 1982·1 cites·7 claims
- 0926US4350256ARotary coupler with a specially configured pinholeMIDLAND ROSS CORP·Filed 1980·Granted Sep 21, 1982·2 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Richard M. Hanula 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 →