Resources Contact Us Home
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
Magnetic impedance element and magnetic sensor using the same
Systems and/or methods for using air/wind power to charge/re-charge vehicle batteries
Keypoint descriptor generation by complex wavelet analysis
Systems and methods for dissipating an electric charge while insulating a structure
Secure data entry device
Pressure-sensitive adhesive composition for optical films, pressure-sensitive adhesive optical film and image display
Duty cycle adjustment of remote illumination source to maintain illumination output
  Randomly Featured Patents
Golf hybrid head
Pipe coupling
.alpha.-Amino-N-hydroxy-acetamide derivatives
Load balancing for cellular radiotelephone system
Low temperature solid state bonding of tungsten to other metallic materials
Process for the recovery of monosaccharides from poly-, oligo- and/or disaccharides containing tuberous plants by means of ultrafiltration
Chain for the tires of heavy duty automotive vehicles
Diamond shaped gate mesh for cellular MOS transistor array
High temperature fuel cell system and method of operating same
Magnetic field immersion type electron gun