Resources Contact Us Home
Lifesaving devices

Image Number 7 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
Bad column management with bit information in non-volatile memory systems
Multiple input multiple output transceiver
Optical switching device and communications system
Continuous geospatial tracking system and method
Secure provisioning of a portable device using a representation of a key
Grip for a racket
Antibodies to Clostridium difficile toxins
  Randomly Featured Patents
Insulator for an open coil electric heating unit
D-FF circuit
Methods and related apparatus for operating a gateway to act as a conduit for a structured transaction
Medical apparatus system having optical fiber load sensing capability
Structure of seat cushion frame in a vehicle seat
Generation of dither matrix
Single jet liquid meter
Method of manufacturing a gallium phosphide red-emitting device
Layered graphical user interface