3818112

Information

• Patent Grant
• 3818112

• References
• Source

• Patent Number

  3,818,112

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • C03B5/1677 - by use of electrochemically protection means
  • C03B5/027 - by passing an electric current between electrodes immersed in the glass bath
  • G05F1/445 - being transistors in series with the load
  • G05F1/455 - with phase control
  • H05B3/0023 - Electrical diagrams for heating by passing the current directly across the material to be heated
  • Y10S65/04 - Electric heat

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 065 - Glass manufacturing