Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/91
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By pump
Description: Device wherein the means for causing the expansion is a pump.

Patents under this class:

Patent Number Title Of Patent Date Issued
5159961 Inflator/deflator accessory for air compressor Nov. 3, 1992
5074765 Elastomeric air pump Dec. 24, 1991
4242769 Anti-exposure inflatable structure Jan. 6, 1981

  Recently Added Patents
System and method for monitoring network activity
System and method for providing advertising content using a group training system
Subscribing to content
Image forming apparatus and warming up method thereof
Quick mounting device
Packet transmission system and fault recovery method
Method of bonding metallic members, and metallic bonded body
  Randomly Featured Patents
Technologies for code failure proneness estimation
Wreath card holder
Seal for an eccentric-rotor machine
Bracket and headrail combination for a blind
High capacity protocol with multistation capability
Phase change random access memory apparatus for controlling data transmission
Method of and apparatus for generating a frequency modulated ultrahigh frequency radio transmission signal
Style handle
Film capacitor
Apparatus and method for multiple party communication session