US 12,434,794 B2
Extended range motorized surfboard fin and remote control
Aleksei Ostanin, Huntington Beach, CA (US); and Dmitriy Kozhevnikov, Huntington Beach, CA (US)
Assigned to Boost Surf, Inc., Miramar, FL (US)
Filed by Boost Surf, Inc., Miramar, FL (US)
Filed on Oct. 4, 2022, as Appl. No. 17/938,020.
Application 17/938,020 is a continuation in part of application No. 16/951,992, filed on Nov. 18, 2020, granted, now 11,459,068.
Prior Publication US 2023/0025105 A1, Jan. 26, 2023
Int. Cl. B63B 32/10 (2020.01); B63B 32/60 (2020.01); B63B 32/66 (2020.01)
CPC B63B 32/10 (2020.02) [B63B 32/60 (2020.02); B63B 32/66 (2020.02)] 18 Claims
OG exemplary drawing
 
1. An extended-range motorized fin device to assist a rider with propelling a surfboard, the fin device comprising:
a saltwater-resistant fin body with a first internal cavity;
a motor and propeller assembly attached to the fin body;
an extender housing with a second internal cavity;
a housing cover attached to the extender housing;
a connector removably attached to the housing cover;
a plurality of first electronic components located within the first internal cavity;
a plurality of second electronic components located within the second internal cavity;
a remote control with one or more buttons;
wherein the extender housing is removably attached to the fin body and adapted to hermetically seal the first internal cavity;
wherein the housing cover is adapted to hermetically seal the second internal cavity;
wherein the connector is configured to mechanically secure the housing cover to a fin box area of a surfboard;
wherein the first and second electronic components are configured to communicate with the remote control or to store and deliver electric power to the motor and propeller assembly;
wherein the fin body and the base are configured to form a streamlined shape that maximizes laminar flow and reduces resistance.