1731457

Information

• Patent Grant
• 1731457

• References
• Source

• Patent Number

  1,731,457

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1929
  95 years ago

• CPC

  • F27B7/2016 - Arrangements of preheating devices for the charge
  • F27B2007/005 - for the treatment of slurries or wet materials
  • F27B2007/3252 - with lifting scoops attached to the drum
  • F27B2007/327 - centrifugally through lateral openings in the drum
  • F27D2099/0068 - Heating directly by circulation of a fluid other than a gas or by particles

• US Classifications

  • 432 - Heating
  • 034 - Drying and gas or vapor contact with solids