3443579

Information

• Patent Grant
• 3443579

• References
• Source

• Patent Number

  3,443,579

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  56 years ago

• CPC

  • F16K47/16 - the throttling member being a cone
  • F15B15/223 - having a piston with a piston extension or piston recess which completely seals the main fluid outlet as the piston approaches its end position
  • F16H47/04 - the mechanical gearing being of the type with members having orbital motion
  • Y10S411/925 - Top stop
  • Y10T137/6089 - With mechanical movement between actuator and valve
  • Y10T137/7062 - Valve guards

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 277 - Seal for a joint or juncture
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener