Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Water supporting and propulsion systems










Image Number 3 for United States Patent #4953492.

An improved watercraft and propulsion system is disclosed for moving a watercraft such as an amphibious vehicle or a speed boat from 0 velocity to speeds in excess of 20 miles per hour. Each watercraft includes water propulsion systems which are preferably pivotally mounted on or near the rear end of the watercraft for pivotal movement between a transversely aligned stowed position above the vehicle and an operative position within the watercraft and below the vehicle. Hydrofoils may be connected to the water propulsion system, and bow or transom flaps plus the planing hull of the vehicle aids in providing adequate lift when in the water.








 
 
  Recently Added Patents
Heating pad
Enzymatic demethylation of flavonoids
Field emission cathode device and field emission display using the same
Methods and systems for dynamic spectrum arbitrage
Imaging lens with three lens elements, and electronic apparatus having the same
Multiple RF band operation in mobile devices
Calibration of quadrature imbalances using wideband signals
  Randomly Featured Patents
Magnetic head
Image coding method for coding characters using a modified Bezier curve
Methods and system for simultaneous multiple rules checking
Method of accelerating the growth and development of trees and shrubs via enhanced root development
Combined piggy bank, clock and pencil holder
Method and device for producing a toroidal carcass for a road vehicle tire
Chrysanthemum plant named `Jenny Wren Crimson`
Electromagnetic shockwave generator transducer
Handheld cleaning implement
Low-impedance high-density deposited-on-laminate structures having reduced stress