71411 ⎘
Propulsive elements directly acting on water of non-rotary type Flaps, pistons, or the like, reciprocating in propulsive direction
PROPULSION UNIT AND VESSEL COMPRISING THE PROPULSION UNIT
#2FLAPPING MANUAL PROPULSION SYSTEM FOR PERSONAL WATERCRAFT
#3Flotation Pontoon Devices with Manual Propulsion Mechanisms and Corresponding Methods
#4UNDERWATER ROBOTIC DEVICE
#5SYSTEM FOR CONTROLLING MOVEMENTS OF A MARINE SURFACE VESSEL
#6PROPULSION UNIT AND VESSEL COMPRISING THE PROPULSION UNIT
#7Buckling beams for underwater and terrestrial autonomous vehicles
#8Oscillating Oar
#9Watercraft and electricity generator system for harvesting electrical power for wave motion
#10Watercraft equipped with a hybrid wave-powered electricity generating and propulsion system
#11Watercraft paddle apparatus
#12Device for linear propulsion
#13Pulsed locomotor
#14Autonomous wave-powered vessels and fleets for managing fish stock
#15Watercraft equipped with a hybrid wave-powered electricity generating and propulsion system
#16PERSONAL BIPEDAL WATERCRAFT
#17Flapping wing with multi film sheets listed on net frame
#18Bionic pectoral fin propelling device based on planetary gear train
#19Flow fin
#20Propellable aquatic board
#21Side-intake piston jet propulsor
#22Reversing propulsion device for watercraft
#23Oscillating propulsor
#24Water walker
#25Foot-propelled catamaran watercraft
#26Aquatic apparatus for wave propulsion
#27AQUATIC PROPULSION BY MEANS OF OSCILLATING FINS
#28Reversing propulsion device for watercraft
#29Paddleboard and process
#30Underwater robot based on flapping
#31Watercraft that harvest both locomotive thrust and electrical power from wave motion
#32Autonomous wave-powered substance distribution vessels for fertilizing plankton, feeding fish, and sequestering carbon from the atmosphere
#33Watercraft for transportation and exercise
#34Device for pedal powering a watercraft
#35Aquatic equilibrium cycle
#36SUBMERSIBLE VEHICLE WITH SWEPT HULL
#37Submersible vehicle with swept hull
#38Internally mounted watercraft rowing fin system
#39TRANSLATING CHARIOT FOR FIN PROPULSION
#40AN APPARATUS FOR OSCILLATING AND ORIENTING A VANE RELATIVE TO A FLUID
#41Watercraft paddle propulsion system
#42Oscillating-foil type underwater propulsor with a joint
#43LEVER POWERED WATERCRAFT
#44Reciprocating oar with propulsion reversing system
#45Watercraft for transportation and exercise
#46Submersible vehicle
#47Water craft
#48Mechanical oar system
#49Rowing apparatus
#50Oscillating fin propulsion apparatus
#51Oscillating fin propulsion apparatus
#52Device for propelling a vessel