2223336

Information

• Patent Grant
• 2223336

• References
• Source

• Patent Number

  2,223,336

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • F04F1/18 - the fluid medium being mixed with, or generated from the liquid to be pumped
  • E21B43/122 - Gas lift
  • E21B43/123 - Gas lift valves
  • Y10T137/2934 - Gas lift valves for wells
  • Y10T137/4252 - Reverse fluid flow
  • Y10T137/7905 - Plural biasing means
  • Y10T137/7907 - Varying effective lever arm
  • Y10T137/8085 - Hollow strainer, fluid inlet and outlet perpendicular to each other

• US Classifications

  • 137 - Fluid handling
  • 417 - Pumps