543448

Information

• Patent Grant
• 543448

• References
• Source

• Patent Number

  543,448

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1895
  129 years ago

• CPC

  • G05D16/10 - the sensing element being a piston or plunger
  • F16K31/0655 - Lift valves
  • Y10T137/7782 - With manual or external control for line valve
  • Y10T137/7784 - Responsive to change in rate of fluid flow
  • Y10T137/7824 - Reactor surface is inverted cup [float]

• US Classifications

  • 137 - Fluid handling