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
Signal processing apparatus and methods
Method and apparatuses for solving weighted planar graphs
Monitoring agent programs in a distributed computing platform
Matching a usage history to a new cloud
Method of controlling an indentation depth of an electrode into a metal substrate during welding
Restarting event and alert analysis after a shutdown in a distributed processing system
Method, system and program for securing redundancy in parallel computing system
  Randomly Featured Patents
Process of manufacturing ultra-soft yarn and fabric thereof
Cryotreatment device and method
Aqueous ink compositions
Current-in-plane magnetoresistive sensor with longitudinal biasing layer having a nonmagnetic oxide central region and method for fabrication of the sensor
Needle hiding shield for a dose metering syringe
Signal processing integrated circuit having first and second buffers each connected in first and second paths between an analog signal processor and a digitial signal processor to prevent abno
Microwave, a closed vessel and methods of determining volatile material content
Method for making 2-[.sup.18 F]fluoro-2-deoxy-D-glucose
Mechanism for feeding ball bullets from a bin to a holder
Level shifting circuit