Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/97
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By compressed gas means > With control valve > Actuated by water softened or soluble member
Description: Device wherein the regulating means is restrained by a water soluble element or an element weakened by contact with water such that upon contact with water the regulating means can be used.

Patents under this class:

Patent Number Title Of Patent Date Issued
7018258 Flotation device Mar. 28, 2006
5746633 Personal flotation device May. 5, 1998
4687451 Automatic actuation device for inflatable life-saving equipment Aug. 18, 1987
4582494 Protected liquid-sensitive actuator for displacement responsive devices Apr. 15, 1986

  Recently Added Patents
Light emitted diode
Digital camera supporting intelligent self-timer mode and method of controlling the same
Ni-, Co-, and Mn- multi-element doped positive electrode material for lithium battery and its preparation method
Method of allocating IP address of image forming apparatus using DHCP, image forming apparatus and system of allocating IP address using DHCP
Radiation imaging device
Pipe coupling
Systems and methods for sensing external magnetic fields in implantable medical devices
  Randomly Featured Patents
Ectoparasite removal comb
Apparatus for making back glass substrate for plasma display panel and resultant product
Nitroso esters of .beta.-oxo-amides and aryl propionic acid derivatives of non-steroidal antiinflammatory drugs
Catheter with up-going and down-going configurations
Method and system for automatic diagnosis of possible brain disease
System and method for automatic person counting and detection of specific events
Pantyhose package
High performance symmetric multiprocessing systems via super-coherent data mechanisms
Hot-melt polyesterimide-polyisocyanate electrical coating compositions
Molten metal plating apparatus