US PATENT SUBCLASS 166 / 348
.~.~ Connection of pipe hanging

Current as of: June, 1999
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166 /   HD   WELLS

335  DF  SUBMERGED WELL {10}
338  DF  .~ Connection or disconnection of submerged members remotely controlled {6}
348.~.~ Connection of pipe hanging

DEFINITION

Classification: 166/348

Connection of pipe hanging:

(under subclass 338) Process, apparatus, or device wherein the connection made is intended to support the weight of tubing suspended therefrom and extending down into the well.