3729946

Information

• Patent Grant
• 3729946

• References
• Source

• Patent Number

  3,729,946

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • F17C9/00 - Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
  • F17C2203/0316 - cooled by vaporised gas from the interior
  • F17C2203/0333 - Polyurethane
  • F17C2205/0326 - electrically actuated
  • F17C2205/0329 - manually actuated
  • F17C2205/0332 - Safety valves or pressure relief valves
  • F17C2205/0338 - Pressure regulators
  • F17C2221/012 - Hydrogen
  • F17C2221/014 - Nitrogen
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2227/0381 - integrated in the wall
  • F17C2227/039 - on the pipes
  • F17C2250/0417 - with electrical means
  • F17C2250/0439 - Temperature
  • F17C2250/0631 - Temperature
  • F17C2270/0509 - "Dewar" vessels
  • Y02E60/321 - Storage of liquefied, solidified, or compressed hydrogen in containers
  • Y10S62/19 - Ionic thompson effect

• US Classifications

  • 062 - Refrigeration
  • 138 - Pipes and tubular conduits
  • 392 - Electric resistance heating devices