Inventor · disambiguated record
Richard P. Dunn
Also filed as: DUNN RICHARD BRIAN · DUNN RICHARD P
8 granted patents·1 pending application·594 citations·filing 1978–2000
90Inventor score
Top patents by PatentIndex Score
9 records- 0192US4332464AInteractive user-machine interface method and apparatus for copier/duplicatorXEROX CORP·Filed 1980·Granted Jun 1, 1982·257 cites·9 claims
- 0289US4953638AMethod of and apparatus for drilling a horizontal controlled borehole in the earthCHARLES MACHINE WORKS·Filed 1988·Granted Sep 4, 1990·108 cites·5 claims
- 0386US4174548APlumber's appliance for clearing drainsDUNN RICHARD P·Filed 1978·Granted Nov 20, 1979·52 cites·4 claims
- 0483US5040817ATrailer hitch assemblyDUNN RICHARD P·Filed 1990·Granted Aug 20, 1991·52 cites·7 claims
- 0580US5148880AApparatus for drilling a horizontal controlled borehole in the earthCHARLES MACHINE WORKS·Filed 1990·Granted Sep 22, 1992·78 cites·16 claims
- 0662US4430924APetroleum pumping unitHYDROWELL SA·Filed 1981·Granted Feb 14, 1984·23 cites·33 claims
- 0753USRE37975EDirectional boring head with blade assemblyCHARLES MACHINE WORKS·Filed 2000·Granted Feb 4, 2003·16 cites·112 claims
- 0847US4983960APorch or entry switch providing emergency signalsDUNN RICHARD P·Filed 1989·Granted Jan 8, 1991·8 cites·1 claims
- 0941US2003024369A1Cutting apparatus for motor vehicle tyresFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →