Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/100
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By gas generation from chemical reaction > With soluble or deformable element
Description: Device provided with a means which can be mutilated, destroyed, distorted, or dissolved to initiate or terminate flow of the reactants or the evolved gas.

Sub-classes under this class:

Class Number Class Name Patents
441/101 With cutting, punching, or striking means 4

Patents under this class:

Patent Number Title Of Patent Date Issued
5030152 Life saving device Jul. 9, 1991
4857029 Balloon storage and inflation assembly Aug. 15, 1989
4781645 Inflatable bag with inner and intermediate containers and gas generation substances within inner container Nov. 1, 1988
4687451 Automatic actuation device for inflatable life-saving equipment Aug. 18, 1987
4582494 Protected liquid-sensitive actuator for displacement responsive devices Apr. 15, 1986
4563156 Rescue apparatus Jan. 7, 1986

  Recently Added Patents
Vacuum cleaner filter adapter ring
Subband SNR correction in a frequency selective scheduler
Vehicle lamp component
Egg separator
Simplifying lexicon creation in hybrid duplicate detection and inductive classifier systems
Systems and methods for providing power and data to lighting devices
Content reproduction apparatus and content processing method therefor
  Randomly Featured Patents
Ballast resistor device for use in a laser system
Printer controller for correction of rotationally displaced printhead
Non-wetting articles and method for soldering operations
Charged-particle-beam microlithography apparatus and methods including shielding of the beam from extraneous magnetic fields
Electrode substrate with integral edge seal and method of forming the same
Advanced contact integration scheme for deep-sub-150 nm devices
Gift item container
Microdisplay for portable communication systems
Method and apparatus for reverse link transmit beam-forming
Reconfigurable gaming display and system