3772187

Information

• Patent Grant
• 3772187

• References
• Source

• Patent Number

  3,772,187

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • C02F3/1294 - "Venturi" aeration means
  • C02F3/24 - using free-fall aeration or spraying
  • C02F3/26 - using pure oxygen or oxygen-rich gas
  • Y02W10/15 - Aerobic processes
  • Y10S210/918 - Miscellaneous specific techniques

• US Classifications

  • 210 - Liquid purification or separation