1860516

Information

• Patent Grant
• 1860516

• References
• Source

• Patent Number

  1,860,516

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1932
  92 years ago

• CPC

  • G05D7/0193 - using hydraulic or pneumatic amplifiers, relays or transmitters
  • Y10T137/0324 - With control of flow by a condition or characteristic of a fluid
  • Y10T137/2521 - Flow comparison or differential response
  • Y10T137/2934 - Gas lift valves for wells
  • Y10T137/776 - Control by pressures across flow line valve
  • Y10T137/7791 - Pressures across flow line valve
  • Y10T137/7805 - Through external pipe
  • Y10T137/7832 - Plural valves biased closed
  • Y10T137/8733 - Fluid pressure regulator in at least one branch
  • Y10T137/87418 - Balanced valve
  • Y10T137/87499 - Fluid actuated or retarded
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling
  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation