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
External preparation composition for skin comprising ginseng flower or ginseng seed extracts
Apparatus for electrographic printing or copying
Activated carbon cryogels and related methods
Debris tray
MEMS autofocus actuator
Method and system to generate finite state grammars using sample phrases
  Randomly Featured Patents
Pharmaceutical preparation
Communicating method of information sharing network, information processing apparatus, and its control method
Systems and methods for mapping large object data content in a database table to a work area
Oscillation-free, short-circuit protection circuit
Organizer for jewelry or perfume
Phrase matching in documents having nested-structure arbitrary (document-specific) markup
Apparatus and method of automatically provisioning a femtocell
Memory control method for a personal video recording system
Tree-type broadcast system, method of participating and withdrawing tree-type broadcast system, node device, and node process program
Golf club of the iron type