3490240

Information

• Patent Grant
• 3490240

• References
• Source

• Patent Number

  3,490,240

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • F17C13/028 - having the volume as the parameter
  • G05D7/0635 - by action on throttling means
  • F17C2205/0335 - Check-valves or non-return valves
  • F17C2205/0338 - Pressure regulators
  • F17C2221/035 - Propane butane
  • F17C2223/0153 - Liquefied gas
  • F17C2223/033 - Small pressure
  • F17C2227/0135 - Pumps
  • F17C2250/036 - using alarms
  • F17C2250/0443 - Flow or movement of content
  • F17C2250/0636 - Flow or movement of content
  • F17C2250/072 - Action when predefined value is reached
  • F17C2260/037 - Handling leaked fluid
  • F17C2260/038 - Detecting leaked fluid
  • F17C2270/0155 - by using natural cavities
  • Y10T137/6851 - With casing, support, protector or static constructional installations
  • Y10T137/7287 - Liquid level responsive or maintaining systems
  • Y10T137/8593 - Systems

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 137 - Fluid handling