3913005

Information

• Patent Grant
• 3913005

• References
• Source

• Patent Number

  3,913,005

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • H01F38/04 - for frequency changing
  • H05B6/067 - for melting furnaces
  • H05B6/34 - Arrangements for circulation of melts

• US Classifications

  • 363 - Electric power conversion systems
  • 323 - Electricity: power supply or regulation systems
  • 373 - Industrial electric heating furnaces