168551

Information

• Patent Grant
• 168551

• References
• Source

• Patent Number

  168,551

• Date Filed

  Not available

• Date Issued

  Monday, October 11, 1875
  149 years ago

• CPC

  • F16K31/0655 - Lift valves
  • G05D16/10 - the sensing element being a piston or plunger
  • Y10T137/5397 - With extension to facilitate removal
  • Y10T137/7782 - With manual or external control for line valve
  • Y10T137/7825 - Rectilinear valve stem rigid with reactor surface

• US Classifications

  • 137 - Fluid handling