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 and apparatus for monitoring wireless communication in hearing assistance systems
Methods and apparatus for address translation functions
Heterogeneous language data typing without executable regeneration
System and method for optimizing use of plug-in air conditioners and portable heaters
Method and system for fail-safe call survival
Mono-body defibrillation probe
Braided boomerang pet toy
  Randomly Featured Patents
Processor memory system
Method of making a custom laser conductor linkage for the integrated circuits
Combined oil and vinegar container
Assembly for covering open top containers
System for loading initial program loader routine into secondary computer without bootstrap ROM
Alkyl polyglucosides and a propoxylated-ethoxylated extended chain surfactant
Bottle distribution table at the entry to single file channels
Holiday ornament
Structural member
Cell phones with instruction pre-fetch buffers allocated to low bit address ranges and having validating flags