3333421

Information

• Patent Grant
• 3333421

• References
• Source

• Patent Number

  3,333,421

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1967
  57 years ago

• CPC

  • F17C3/005 - Underground or underwater containers or vessels
  • C01B7/09 - Bromine Hydrogen bromide
  • C01B7/13 - Iodine Hydrogen iodide
  • C01B7/191 - Hydrogen fluoride
  • C01B17/50 - Preparation of sulfur dioxide
  • F17C2201/0109 - with exteriorly curved end-piece
  • F17C2201/0119 - with flat end-piece
  • F17C2201/032 - with substantially vertical main axis
  • F17C2201/052 - large (>1000 m3)
  • F17C2221/014 - Nitrogen
  • F17C2221/033 - Methane
  • F17C2221/035 - Propane butane
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2223/047 - with a dip tube
  • F17C2225/047 - with a dip tube
  • F17C2227/0341 - using another fluid
  • F17C2227/0355 - in a closed loop
  • F17C2227/0374 - in the liquid
  • F17C2265/025 - different fluids
  • F17C2270/0149 - by digging cavities

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 062 - Refrigeration