2780231

Information

• Patent Grant
• 2780231

• References
• Source

• Patent Number

  2,780,231

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1957
  69 years ago

• CPC

  • B67D7/36 - Arrangements of flow- or pressure-control valves
  • B67D7/78 - Arrangements of storage tanks, reservoirs or pipe-lines
  • F16K21/185 - with electrical or magnetical means
  • G05D9/12 - characterised by the use of electric means
  • Y10T137/2673 - Control by filling outlet tank or receiver

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation