2937216

Information

• Patent Grant
• 2937216

• References
• Source

• Patent Number

  2,937,216

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1960
  64 years ago

• CPC

  • C30B13/18 - the heating element being in contact with, or immersed in, the molten zone

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 023 - Chemistry: physical processes
  • 062 - Refrigeration
  • 136 - Batteries: thermoelectric and photoelectric
  • 165 - Heat exchange
  • 219 - Electric heating
  • 266 - Metallurgical apparatus