Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Lifesaving devices










Image Number 3 for United States Patent #5374211.

A lifesaving device is formed of a plurality of gas charge devices, a plurality of cylindrical bodies each of which has one end connected to one of said gas charge devices corresponding thereto and the other end which is closed, each of said cylindrical body having an outer configuration of generally flat plate in deflated condition, and a cylindrical body holding member for holding said cylindrical bodies in the deflated condition to be folded therein or wound-up thereon, wherein said cylindrical bodies are inflated and deployed simultaneously in response to operation of the respective gas charge devices to the extent that a predetermined buoyancy force is obtained.








 
 
  Recently Added Patents
Disposable and tamper-resistant RFID lock
Multi-dimensional tuple support in rule engines
Managing method and apparatus for servicing contents provided by content provider
Method and system for reciprocal mixing cancellation of wideband modulated blockers
Generating a network map
Communication system including relay station and data frame for the communication system
Therapeutic vitamin D sun-protecting formulations and methods for their use
  Randomly Featured Patents
Superconducting transition-edge sensor with weak links
Mop
Discharge gas temperature control
Method and system for reliable multicast data transmission
Preserving animal hides
Gate assembly for ponds
Support bar cover
Handle of screwdriver
Weighted SAW reflector grating using dithered acoustic reflectors
Thin film transistor substrate and method for fabricating the same