3191920

Information

• Patent Grant
• 3191920

• References
• Source

• Patent Number

  3,191,920

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1965
  59 years ago

• CPC

  • C21B13/06 - in multi-storied furnaces
  • C21B13/08 - in rotary furnaces
  • C21B13/146 - Multi-step reduction without melting
  • Y02P10/136 - using hydrogen
  • Y02P10/143 - Methane [CH4]

• US Classifications

  • 266 - Metallurgical apparatus
  • 432 - Heating