3662781

Information

• Patent Grant
• 3662781

• References
• Source

• Patent Number

  3,662,781

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • B01F3/04255 - having elements opening under air pressure
  • B03B5/623 - Upward current classifiers
  • Y10T137/7936 - Spring guides valve head
  • Y10T137/86372 - Inlet internally extending

• US Classifications

  • 137 - Fluid handling
  • 209 - Classifying, separating, and assorting solids
  • 210 - Liquid purification or separation
  • 222 - Dispensing
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 261 - Gas and liquid contact apparatus