3521866

Information

• Patent Grant
• 3521866

• References
• Source

• Patent Number

  3,521,866

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • C10B1/10 - Rotary retorts
  • C10B53/08 - in the form of briquettes, lumps and the like
  • Y02P20/129 - Energy recovery
  • Y10S165/515 - Patterned surface

• US Classifications

  • 165 - Heat exchange
  • 432 - Heating