Inventor · disambiguated record
Roger O. Durham
Also filed as: DURHAM ROGER O · DURHAM ROGER OWEN
15 granted patents·329 citations·filing 1974–1997
94Inventor score
Top patents by PatentIndex Score
15 records- 0193US4704919ATwo-piece crankshaft for bicyclesDURHAM ROGER O·Filed 1986·Granted Nov 10, 1987·82 cites·4 claims
- 0274US4373760ADrawbolt bearing support for bicycle pedalsDURHAM ROGER O·Filed 1981·Granted Feb 15, 1983·27 cites·2 claims
- 0372US4728218ALocking key mechanismDURHAM ROGER O·Filed 1986·Granted Mar 1, 1988·36 cites·6 claims
- 0468US4526558AChain engagement slot for bicycle sprocketsDURHAM ROGER O·Filed 1983·Granted Jul 2, 1985·21 cites·4 claims
- 0567US4758205ADerailleur mechanism for bicyclesDURHAM ROGER O·Filed 1986·Granted Jul 19, 1988·23 cites·14 claims
- 0664US5623856ABicycle crank arm with internal flangeFiled 1995·Granted Apr 29, 1997·31 cites·5 claims
- 0764US5305654AHeadset for bicycles with external forksDURHAM ROGER O·Filed 1993·Granted Apr 26, 1994·34 cites·2 claims
- 0862US5809844ASpacing ring for bicycle chainringsFiled 1996·Granted Sep 22, 1998·26 cites·2 claims
- 0952US4004468ATwo-position pedal for bicyclesDURHAM ROGER OWEN·Filed 1974·Granted Jan 25, 1977·11 cites·1 claims
- 1050US4840084AFreewheel mechanism for bicyclesDURHAM ROGER O·Filed 1987·Granted Jun 20, 1989·12 cites·5 claims
- 1147US4043373ARim strip for bicycle wheelsDURHAM ROGER OWEN·Filed 1975·Granted Aug 23, 1977·8 cites·4 claims
- 1238US5702006AWorkstand for bicyclesFiled 1995·Granted Dec 30, 1997·7 cites·3 claims
- 1336US5954007ACatamaran for sailing and rowingFiled 1997·Granted Sep 21, 1999·4 cites·3 claims
- 1435US4051829AAudible enrichment bleed warning device for fuel-injected enginesDURHAM ROGER OWEN·Filed 1975·Granted Oct 4, 1977·4 cites·6 claims
- 1530US4940340ASealed ball bearing mechanismDURHAM ROGER O·Filed 1990·Granted Jul 10, 1990·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →