3461914

Information

• Patent Grant
• 3461914

• References
• Source

• Patent Number

  3,461,914

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1969
  55 years ago

• CPC

  • F16L9/18 - Double-walled pipes Multi-channel pipes or pipe assemblies
  • F15B1/10 - with flexible separating means
  • F16L55/0332 - by inserting a body of compressible material in the pipe
  • F15B2201/205 - using gas
  • F15B2201/315 - having flexible separating means
  • F15B2201/3156 - characterised by their attachment
  • F15B2201/32 - having multiple separating means
  • F15B2201/413 - having multiple liquid ports

• US Classifications

  • 138 - Pipes and tubular conduits