436294

Information

• Patent Grant
• 436294

• References
• Source

• Patent Number

  436,294

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1890
  134 years ago

• CPC

  • E21B43/34 - Arrangements for separating materials produced by the well
  • Y10T137/3043 - Successively opened valves
  • Y10T137/86936 - Pressure equalizing or auxiliary shunt flow

• US Classifications

  • 137 - Fluid handling