1694467

Information

• Patent Grant
• 1694467

• References
• Source

• Patent Number

  1,694,467

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1928
  96 years ago

• CPC

  • B01D23/10 - with loose filter material
  • B01D23/16 - Sand or gravel filters
  • B01D23/24 - Regeneration of the filter material in the filter
  • B01D23/26 - integrally combined with devices for controlling the filtration

• US Classifications

  • 210 - Liquid purification or separation