1819785

Information

• Patent Grant
• 1819785

• References
• Source

• Patent Number

  1,819,785

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1931
  93 years ago

• CPC

  • C02F1/48 - with magnetic or electric fields
  • F22D1/006 - with heating tubes
  • Y10S165/438 - Helical

• US Classifications

  • 165 - Heat exchange