1851251

Information

• Patent Grant
• 1851251

• References
• Source

• Patent Number

  1,851,251

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1932
  92 years ago

• CPC

  • B01F3/04262 - consisting of rigid porous or perforated material
  • B01F2003/04319 - being tubes, tubular elements, cylindrical elements, set of tubes
  • B01F2003/04361 - Perforations
  • B01F2003/04368 - Slits, cut-out openings

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 250 - Radiant energy