3785511

Information

• Patent Grant
• 3785511

• References
• Source

• Patent Number

  3,785,511

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1974
  50 years ago

• CPC

  • E21B19/09 - specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
  • B66C13/02 - Devices for facilitating retrieval of floating objects
  • B66D1/48 - automatic
  • B63B2017/0072 - Seaway compensators
  • B66D2700/0108 - with devices for paying out or automatically tightening the cable

• US Classifications

  • 414 - Material or article handling
  • 254 - Implements or apparatus for applying pushing or pulling force