3825076

Information

• Patent Grant
• 3825076

• References
• Source

• Patent Number

  3,825,076

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • E21B7/122 - with submersible vertically movable guide
  • E02B17/00 - Artificial islands mounted on piles or like supports
  • E02D7/00 - Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
  • E02D17/00 - Excavations Bordering of excavations Making embankments
  • E21B7/20 - Driving or forcing casings or pipes into boreholes
  • E21B15/02 - specially adapted for underwater drilling

• US Classifications

  • 175 - Boring or penetrating the earth
  • 405 - Hydraulic and earth engineering