Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/315.32
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Assembling or disassembling reciprocating valve > Gate valve > Having particular valve seat > Including seal
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
5301712 Slide valve Apr. 12, 1994
4625754 Valve bonnet closure Dec. 2, 1986
4512359 Valve mechanism with replaceable seal rings Apr. 23, 1985
4246928 Restricted movement valve seats for an expanding gate valve Jan. 27, 1981
4230299 Pressure balanced gate valve having selective actuator systems Oct. 28, 1980











 
 
  Recently Added Patents
Bi-directional switch using series connected N-type MOS devices in parallel with series connected P-type MOS devices
Preparation process of transition metal boride and uses thereof
Depth estimation apparatus and method
Method of predicting a motion vector for a current block in a current picture
Semiconductor device and method for manufacturing the same
Upstream channel bonding in a cable communications system
Shoe
  Randomly Featured Patents
Systems and methods for selecting and ranking video streams
Microbial delivery system
Method to remove sapphire substrate
Mercury vapor suppressant
Image processing system, image processing apparatus, and recording medium
Process for securing a tension mask support structure to a faceplate
Auto-centering device for mechanical clamp
Rod-shaped implant element for the application in spine surgery or trauma surgery and stabilization device with such a rod-shaped implant element
Elastic coupling and elastomeric element therefor
Pressure-regulating arrangement