1069402

Information

• Patent Grant
• 1069402

• References
• Source

• Patent Number

  1,069,402

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1913
  110 years ago

• CPC

  • F28G9/005 - of regenerative heat exchanger
  • F28D19/04 - using rigid bodies
  • Y10S165/012 - Spray nozzle cleaner

• US Classifications

  • 165 - Heat exchange
  • 015 - Brushing, scrubbing, and general cleaning
  • 122 - Liquid heaters and vaporizers