3469594

Information

• Patent Grant
• 3469594

• References
• Source

• Patent Number

  3,469,594

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • F04B9/105 - reciprocating movement of the pumping member being obtained by a double-acting liquid motor
  • F01L25/066 - piston or piston-rod being used as auxiliary valve
  • F03C1/004 - speed-control
  • F04B19/022 - reciprocating cylinders
  • F04B53/164 - Stoffing boxes
  • Y10S277/928 - Seal including pressure relief or vent feature
  • Y10T137/2516 - Interconnected flow displacement elements
  • Y10T137/5762 - With leakage or drip collecting

• US Classifications

  • 137 - Fluid handling
  • 277 - Seal for a joint or juncture
  • 417 - Pumps