3752897

Information

• Patent Grant
• 3752897

• References
• Source

• Patent Number

  3,752,897

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

  • C21B13/08 - in rotary furnaces
  • B03B13/04 - using electrical or electromagnetic effects
  • C21B13/10 - in hearth-type furnaces
  • C21B13/12 - in electric furnaces
  • Y02P10/136 - using hydrogen

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 432 - Heating