3661174

Information

• Patent Grant
• 3661174

• References
• Source

• Patent Number

  3,661,174

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  52 years ago

• CPC

  • F16K15/148 - the closure elements being fixed in their centre
  • B60T11/326 - in pneumatic systems
  • B60T13/241 - Differential pressure systems
  • Y10T137/7842 - Diverse types
  • Y10T137/7862 - Central post on seat
  • Y10T137/7873 - Ball valves
  • Y10T137/789 - Central mount

• US Classifications

  • 137 - Fluid handling