2551697

Information

• Patent Grant
• 2551697

• References
• Source

• Patent Number

  2,551,697

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1951
  73 years ago

• CPC

  • B64D15/02 - by ducted hot gas or liquid
  • B64D2700/62122 - by ducted exhaust gas
  • Y10T137/7795 - Multi-stage
  • Y10T137/7805 - Through external pipe

• US Classifications

  • 454 - Ventilation
  • 137 - Fluid handling
  • 165 - Heat exchange
  • 237 - Heating systems
  • 244 - Aeronautics and astronautics