679940

Information

• Patent Grant
• 679940

• References
• Source

• Patent Number

  679,940

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1901
  123 years ago

• CPC

  • E21B33/0355 - Control systems
  • Y10T137/402 - Distribution systems involving geographic features
  • Y10T137/5345 - Rotating riser
  • Y10T137/5907 - Collector for waste liquid derived from solid, gas or vapor
  • Y10T137/7069 - With lock or seal

• US Classifications

  • 137 - Fluid handling
  • 210 - Liquid purification or separation
  • 405 - Hydraulic and earth engineering