2580649

Information

• Patent Grant
• 2580649

• References
• Source

• Patent Number

  2,580,649

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1952
  73 years ago

• CPC

  • F17C9/02 - with change of state
  • F17C2201/0119 - with flat end-piece
  • F17C2201/0142 - conical
  • F17C2203/0631 - Three or more walls
  • F17C2205/0314 - breakable
  • F17C2205/0332 - Safety valves or pressure relief valves
  • F17C2205/0335 - Check-valves or non-return valves
  • F17C2205/0385 - in blocks or units
  • F17C2205/0394 - in direct contact with the pressure vessel
  • F17C2221/011 - Oxygen
  • F17C2221/014 - Nitrogen
  • F17C2221/031 - Air
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2223/047 - with a dip tube
  • F17C2227/0107 - by pressurising the ullage
  • F17C2227/0142 - with specified pump type
  • F17C2227/04 - Methods for emptying or filling
  • Y10T137/313 - Gas carried by or evolved from liquid
  • Y10T137/6525 - Air heated or cooled [fan, fins, or channels]

• US Classifications

  • 062 - Refrigeration
  • 137 - Fluid handling