3550920

Information

• Patent Grant
• 3550920

• References
• Source

• Patent Number

  3,550,920

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • C21D9/567 - with heating in fluidised beds

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids
  • 266 - Metallurgical apparatus
  • 432 - Heating