1790897

Information

• Patent Grant
• 1790897

• References
• Source

• Patent Number

  1,790,897

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1931
  94 years ago

• CPC

  • F28F9/10 - by screw-type connections
  • Y10S165/063 - Cylindrical heat exchanger fixed to fixed end supports

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 285 - Pipe joints or couplings