3804942

Information

• Patent Grant
• 3804942

• References
• Source

• Patent Number

  3,804,942

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • A47L9/122 - flat
  • B01D46/00 - Filters
  • B01D50/00 - Combinations of devices for separating particles from gases or vapours
  • B01D53/75 - Multi-step processes
  • F24F3/12 - characterised by the treatment of the air otherwise than by heating and cooling
  • B01D2253/102 - Carbon
  • Y10S55/06 - Magnetic couplings

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 055 - Gas separation
  • 095 - Gas separation: processes
  • 096 - Gas separation: apparatus
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing