Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Portable ice rescue craft










Image Number 8 for United States Patent #7247070.

A portable ice rescue craft includes a plurality of locking raft sections that are foldable for storage and transport. A drive unit includes a drive wheel driven by an electric motor via a drive belt. The drive wheel may include a plurality of spikes configured to engage ice and a plurality of paddles that are centripetally urgeable outward to pull the rescue craft through water. A forward raft section may include a pair of outboard pontoons to provide stability and minimize lateral rocking. An aft raft section includes at least one rudder. A pair of rudders may be mounted to a plate on a pivoting, biased system. The rudders automatically fold upwardly when the ice rescue craft is on ice or land. The rudders automatically activate downwardly when the ice rescue craft is in water.








 
 
  Recently Added Patents
Method of preparing highly fluorinated carboxylic acids and their salts
Peered proctoring
Electronic system with vertical intermetallic compound
Creating three dimensional graphics data
Video stabilization
Email certificates
Mixture, especially spinning solution
  Randomly Featured Patents
Digital camera
Relative positioning of circuit elements in circuit design
Spine stabilization device and method
Porous polymers
Preparation of intercalated chalcogenides
Hydrazine derivatives of pyridyl-ketones
Method and device for connection and adjustment of optical units: elements, modules, devices, and systems
Propagation speedup by use of complementary resolver outputs in a system bus receiver
Identity driven peer-to-peer (P2P) virtual private network (VPN)
Ramp assembly