3839914

Information

• Patent Grant
• 3839914

• References
• Source

• Patent Number

  3,839,914

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • G01F1/206 - Measuring pressure, force or momentum of a fluid flow which is forced to change its direction
  • E21B21/08 - Controlling or monitoring pressure or flow of drilling fluid
  • G01N9/26 - by measuring pressure differences
  • G01N9/30 - by using centrifugal effects
  • G01N11/08 - by measuring pressure required to produce a known flow
  • G01P5/14 - by measuring differences of pressure in the fluid

• US Classifications

  • 073 - Measuring and testing