Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/520
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Biased open > Weight biased > Edge pivoted valve
Description: Valves in which the valve body is pivoted about an axis at or closely adjacent one of its edges.










Patents under this class:

Patent Number Title Of Patent Date Issued
8316876 Flushing device with removable drain ring for potable water systems Nov. 27, 2012
7448219 Hingeless flapper valve for flow control Nov. 11, 2008
6508246 Mechanical draft controller Jan. 21, 2003
4599991 Door for brew kettle Jul. 15, 1986
4362091 Air deflection duct assembly Dec. 7, 1982
4350353 Tank wagon Sep. 21, 1982
4331342 Tank wagon May. 25, 1982
4064905 Apparatus for maintaining constant mass flow Dec. 27, 1977











 
 
  Recently Added Patents
Tailoring the band gap of solar cells made of liquid silane by adding germanium
Motion compensated overlay
Apparatus and method for layered decoding in a communication system using low-density parity-check codes
Documentation roadmaps and community networking for developers on large projects
Power control arrangement for long term evolution time division duplex method and apparatus
Multi user MIMO detection utilizing averaged spatial whitening
Method for producing purified influenza virus antigen
  Randomly Featured Patents
Recombinase-based methods for producing expression vectors and compositions for use in practicing the same
Device and method for universally leading through cables
Noise prevention apparatus for a cable winch elevator
Luminescent diode
New Guinea Impatients plant named `Balcebpurp`
User-interface design
Apparatus for double-sided printing of identification cards
Sonet system having multiple slots providing multiple services from any slot
Production of fuel from co-processing multiple renewable feedstocks
Convergence assembly including a correction ring for a color cathode ray tube