3807894

Information

• Patent Grant
• 3807894

• References
• Source

• Patent Number

  3,807,894

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  51 years ago

• CPC

  • E21B34/08 - responsive to flow or pressure of the fluid obtained
  • F04B53/1037 - Flap valves
  • F04D9/008 - by means in the suction mouth
  • F04D13/10 - adapted for use in mining bore holes
  • F04D15/0077 - Safety measures
  • Y10S415/901 - Drilled well-type pump
  • Y10T137/7846 - Mechanically interconnected

• US Classifications

  • 415 - Rotary kinetic fluid motors or pumps
  • 137 - Fluid handling
  • 417 - Pumps