Matches 1 - 4 out of 4


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US20060128235 Prevention of cavitation corrosion  
The present invention directly deals with the problem of cavitation corrosion by modifying the hub of a propeller to eliminate low pressure areas. The present invention is the placement,...
US20050095929 Transmission system  
The invention relates to a transmission system for human powered or motorized mechanisms using a flexible elongate belt having lateral protrusions that are engagable with peripheral recesses in...
US20080233813 WATER CRAFT DRIVEN BY HUMAN-POWERED LAND VEHICLE  
A human-powered land vehicle, such as a bicycle, is mountable to a collapsible water craft having a compact drive unit which can be pivoted about two orthogonal axes, one for directing the thrust...
US20150314848 Linear Propulsion System For Small Watercraft  
A foot-operated propulsion system for small watercraft, such as kayaks. The propulsion system includes a pedal assembly that controls motion of a fluke fin that is submerged beneath the waters...
Matches 1 - 4 out of 4