3790142

Information

• Patent Grant
• 3790142

• References
• Source

• Patent Number

  3,790,142

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1974
  51 years ago

• CPC

  • C02F3/20 - using diffusers
  • B01F3/04255 - having elements opening under air pressure
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 261 - Gas and liquid contact apparatus