3851492

Information

• Patent Grant
• 3851492

• References
• Source

• Patent Number

  3,851,492

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  51 years ago

• CPC

  • F16L1/26 - Repairing or joining pipes on or under water
  • B63C11/34 - Diving chambers or underwater vessels
  • B66D1/52 - for varying rope or cable tension
  • E21B19/09 - specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
  • E21B41/06 - Work chambers for underwater operations
  • F16L1/201 - Anchor rods

• US Classifications

  • 405 - Hydraulic and earth engineering