3919454

Information

• Patent Grant
• 3919454

• References
• Source

• Patent Number

  3,919,454

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • C21B13/0046 - making metallised agglomerates or iron oxide
  • C21B13/026 - heated electrically
  • C21B13/12 - in electric furnaces
  • C21C5/52 - Manufacture of steel in electric furnaces
  • F27B1/08 - heated otherwise than by solid fuel mixed with charge
  • Y02P10/216 - of Fe

• US Classifications

  • 373 - Industrial electric heating furnaces