Inventor · disambiguated record
Boris Efros
Also filed as: EFROS BORIS
7 granted patents·144 citations·filing 1977–2006
87Inventor score
Top patents by PatentIndex Score
7 records- 0181US7293789B1Wide power range bicycle with positive intuitive gear shifting systemEFROS BORIS·Filed 2006·Granted Nov 13, 2007·20 cites·32 claims
- 0277US4300784AEfficient, versatile oscillating pedal cycleENERGENIC PROPULSIONS LTD·Filed 1979·Granted Nov 17, 1981·30 cites·32 claims
- 0374US4272096APowerful oscillating pedal bicycleENERGENIC PROPULSIONS LTD·Filed 1978·Granted Jun 9, 1981·26 cites·14 claims
- 0472US4421334AHigh speed cycleEFROS BORIS·Filed 1981·Granted Dec 20, 1983·27 cites·12 claims
- 0565US4161328ABicycleEFROS BORIS·Filed 1977·Granted Jul 17, 1979·18 cites·15 claims
- 0651US4666174AWide powerful range bicycleEFROS BORIS·Filed 1986·Granted May 19, 1987·14 cites·17 claims
- 0748US4226435ABicycle seat adjustable during rideEFROS BORIS·Filed 1979·Granted Oct 7, 1980·9 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →