Resources Contact Us Home
Lifesaving devices

Image Number 4 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
Method for fabricating a nitrided silicon-oxide gate dielectric
Data processing apparatus, activation control method, and computer-readable storage medium
Method for producing a sulfonated polyarylether block copolymer
Apparatus and method for controlling a tunable matching network in a wireless network
Method and device for reliable estimation of network traffic
Charging current control method and charging system
  Randomly Featured Patents
Recycling station
Dishwasher front panel
Longitudinal adjuster for a vehicle seat
Strand treatment method and apparatus
Device for the administration of powders
Faucet bridge
Quantization device and method, inverse-quantization device and method, and image processing device and method
Screw in knob with fanciful design
Nailing device
Tote bins