Inventor · disambiguated record
R. Douglas Hannon
Also filed as: HANNON R DOUGLAS
7 granted patents·126 citations·filing 1978–1992
87Inventor score
Technology areasB63H
Top patents by PatentIndex Score
7 records- 0188USD324364SThree-blade propellerHANNON R DOUGLAS·Filed 1990·Granted Mar 3, 1992·37 cites·1 claims
- 0283USD324201SThree-blade propellerHANNON R DOUGLAS·Filed 1990·Granted Feb 25, 1992·27 cites·1 claims
- 0375US4482298AWeedless propellerHANNON R DOUGLAS·Filed 1981·Granted Nov 13, 1984·22 cites·10 claims
- 0472US5352093AWeedless propellerHANNON R DOUGLAS·Filed 1992·Granted Oct 4, 1994·20 cites·19 claims
- 0556USD324363SSix-blade propellerHANNON R DOUGLAS·Filed 1990·Granted Mar 3, 1992·9 cites·1 claims
- 0655USD317147SPropellerZEBCO CORP·Filed 1989·Granted May 28, 1991·7 cites·1 claims
- 0738USD259931SBoat anchorWENTZ EUGENE L·Filed 1978·Granted Jul 21, 1981·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →