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
Image forming apparatus and method
Expandable mobile device
Optical module for a microlithography objective including holding and supporting devices
Method for mapping resource units
Neurostimulation system
Electric train drive control device
Laser protection polymeric materials
  Randomly Featured Patents
Multi-purpose orthodontic bracket
Variable displacement compressor with biased inclined member
Systems and methods for input device audio feedback
Application of carbon fiber mesh for space and airborne platform applications
Spinning pack design
Nonane
Output control system for an I.C. engine responsive to compressor torque and engine speed
Method of splitting a multi-dimensional cube between a multi-dimensional and a relational database
Image-processing system and image-processing method
Method for reprocessing semiconductor substrate by stepwise etching with at least two etching treatments