Resources Contact Us Home
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

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
Light modulators and optical apparatuses including the same
Power supply device
Image-monitoring method for electroporation treatment and as associated image-monitoring appliance
Fixture for camera attachments
Single-stage PFC converter with constant voltage and constant current
Methods and apparatus for intelligent selection of goods and services in mobile commerce
Multilayer films having reduced curling
  Randomly Featured Patents
Pipe bell end having a thickened portion and apparatus for forming the bell end
Drill automation control system
Device for spreading objects apart
Method and apparatus for construction of perdurable artificial roads
Piezoelectric composite nanofibers, nanotubes, nanojunctions and nanotrees
Pressure sensor mounting for canister purge system
Radio telemetry system and method
Exercise device including collar coupling
Stent configurations