3753471

Information

• Patent Grant
• 3753471

• References
• Source

• Patent Number

  3,753,471

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1973
  51 years ago

• CPC

  • F16D3/06 - specially adapted to allow axial displacement
  • B63B21/26 - securing to bed
  • E21B10/322 - cutter shifted by fluid pressure
  • E21B17/023 - Arrangements for connecting cables or wirelines to downhole devices
  • E21B17/06 - Releasing-joints
  • E21B21/10 - Valve arrangements in drilling fluid circulation systems
  • E21B23/02 - for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
  • F16D1/10 - Quick-acting couplings in which the parts are connected by simply bringing them together axially
  • B63B21/502 - by means of tension legs
  • B63B2021/225 - Marker buoys for indicating position of an anchor, or for providing a line connection between the anchor and the water surface
  • Y10S464/901 - Rapid attachment or release
  • Y10T403/59 - Manually releaseable latch type

• US Classifications

  • 175 - Boring or penetrating the earth