2167159

Information

• Patent Grant
• 2167159

• References
• Source

• Patent Number

  2,167,159

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1939
  85 years ago

• CPC

  • B01D33/466 - scrapers
  • B01D33/09 - with surface cells independently connected to pressure distributors
  • B01D33/465 - take-off rollers
  • Y10T137/0753 - Control by change of position or inertia of system
  • Y10T137/86405 - Repeating cycle

• US Classifications

  • 210 - Liquid purification or separation
  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 251 - Valves and valve actuation