Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Bi-level switching with power packs
Stackable clothes drying apparatus
Solar energy converter with improved photovoltaic efficiency, frequency conversion and thermal management permitting super highly concentrated collection
Method of manufacturing semiconductor devices using ion implantation
Push-up bar
Polypeptides and immunizing compositions containing gram positive polypeptides and methods of use
Pet burial pod
  Randomly Featured Patents
Tire tread
Disposable garments and method and apparatus for making
Repair gun for coke ovens
Device for handling returnable cans
Unrepeatered optical communication system with suppressed SBS
Systems and methods to remove liquid product and fines from a slurry reactor
Mobile communication system, mobile station, and radio control device
Liquid ejection apparatus and non-transitory storage medium storing program
Porous electroconductive material and process for production thereof; electrode and process for production thereof; fuel cell and process for production thereof; and electronic instrument, mob
Combination of center drill and drill holding tool