2049545

Information

• Patent Grant
• 2049545

• References
• Source

• Patent Number

  2,049,545

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1936
  88 years ago

• CPC

  • B60H1/00042 - the air passing only one heat exchanger
  • B60H2001/00157 - without by-pass
  • B60H2001/00171 - Valves on heaters for modulated liquid flow

• US Classifications

  • 454 - Ventilation
  • 237 - Heating systems