1357093

Information

• Patent Grant
• 1357093

• References
• Source

• Patent Number

  1,357,093

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1920
  103 years ago

• CPC

  • B60H1/18 - the air being heated from the plant exhaust gases
  • Y10S165/129 - Valve regulates flow through housing enclosing heat exchanger

• US Classifications

  • 165 - Heat exchange
  • 237 - Heating systems