3807396

Information

• Patent Grant
• 3807396

• References
• Source

• Patent Number

  3,807,396

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • A62B7/06 - with liquid oxygen or air; Cryogenic systems
  • A61M16/1045 - Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas
  • B63C11/24 - in closed circulation
  • F17C9/00 - Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
  • F17C9/02 - with change of state
  • F25J3/04981 - for portable medical or home use
  • A61M16/10 - Preparation of respiratory gases or vapours
  • F17C2265/025 - different fluids
  • F17C2270/02 - for medical applications
  • F25J2210/42 - Nitrogen
  • F25J2215/02 - Mixing or blending of fluids to yield a certain product
  • F25J2215/40 - Air or oxygen enriched air
  • F25J2270/904 - by liquid or gaseous cryogen in an open loop

• US Classifications

  • 128 - Surgery
  • 062 - Refrigeration
  • 165 - Heat exchange