71540 ⎘
Marine propulsion by muscle power Other apparatus for converting muscle power into propulsive effort
Sub-classes:Watercraft having an interface for mounting a propulsion mechanism
#2Interface for mounting a propulsion mechanism to a watercraft
#3Watercraft having an interface for mounting a propulsion mechanism
#4Steerable and retractable paddle-wheel mechanism for propelling a boat
#5VEHICLE USING ACTION-REACTION PRINCIPLE
#6Interface for mounting a propulsion mechanism to a watercraft
#7System and method for integrated watercraft solar panels
#8Paddle wheel apparatus and method of use thereof
#9Interface for mounting a propulsion mechanism to a watercraft
#10Interface for mounting a propulsion mechanism to a watercraft
#11Water running tunnel hull ski
#12PADDLE HAVING MOVABLE BLADE
#13Swimming propulsion device
#14Personal watercraft for amplifying manual rowing or paddling with propulsion
#15Multi-purpose collaspible personal watercraft
#16PERSONAL BIPEDAL WATERCRAFT
#17Vehicle assembly for propulsion over water and land
#18Propellable aquatic board
#19Tommy power paddle
#20Swimming propulsion device
#21Vehicle assembly for propulsion over water and land
#22Nozzle shoe
#23Propulsion device for sailboat
#24Foot-propelled catamaran watercraft
#25Fluke Board...A Fluky Fusion of Fun and Fitness
#26Swimming propulsion device
#27Underwater man-powered mechanical propeller
#28Swimming propulsion device
#29Two fin swimming apparatus
#30WATERCRAFT WHICH CAN BE PROPELLED BY HUMAN POWER
#31Jet propelled surfboard
#32Watercraft and method for the operation of a watercraft
#33Personal water craft to enable a user to walk on water
#34Personal device for moving in water
#35Reaction accelerated fluid drive
#36Collapsible self propelled hydrofoil device
#37Recreational watercraft with hydrofoil
#38Self propelled hydrofoil device
#39Watercraft with compressed air propulsion system
#40Scuba propulsion apparatus having an oscillating fin
#41Rowing apparatus
#42Oscillating fin propulsion assembly
#43Water bike
#44Float-boat adapter
#45Oscillating fin propulsion assembly