2172882

Information

• Patent Grant
• 2172882

• References
• Source

• Patent Number

  2,172,882

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1939
  85 years ago

• CPC

  • F04B53/08 - Cooling Heating Preventing freezing
  • F04B39/068 - prevention of freezing
  • F16L53/002 - by means of a hot fluid
  • Y10T137/86051 - Compressed air supply unit

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 165 - Heat exchange
  • 261 - Gas and liquid contact apparatus
  • 417 - Pumps