1890186

Information

• Patent Grant
• 1890186

• References
• Source

• Patent Number

  1,890,186

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1932
  92 years ago

• CPC

  • F22D1/16 - with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
  • Y10S165/068 - including fluid seal

• US Classifications

  • 165 - Heat exchange