3516688

Information

• Patent Grant
• 3516688

• References
• Source

• Patent Number

  3,516,688

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1970
  54 years ago

• CPC

  • F16L29/00 - Joints with fluid cut-off means
  • B01D35/02 - Filters adapted for location in special places
  • F16K3/312 - Line blinds
  • F16K37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
  • F16L23/006 - Attachments
  • F16L41/021 - T- or cross-pieces
  • F16L55/00 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
  • F16L55/02709 - in the form of perforated plates
  • F16L55/10 - Means for stopping flow from or in pipes or hoses
  • F16L55/24 - Preventing accumulation of dirt or other matter in the pipes
  • Y10T137/7504 - Removable valve head and seat unit
  • Y10T137/791 - Ball valves
  • Y10T137/8359 - Inspection means

• US Classifications

  • 285 - Pipe joints or couplings
  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 210 - Liquid purification or separation