Hydrotech International, Inc.

Burlie R Bowen

Glen E Lochte

Thomas J Ames

Claud C Barrington

James A Kelly

Method and apparatus for breaking concrete from a concrete coated pipe comprising; a frame mounted on the pipe; means supported by the frame for engaging the concrete to break the concrete from the pipe and means for driving the engaging means against the pipe to impart massive forces thereto exceeding the strength of the concrete to thereby break the concrete from the pipe.

Concrete removal tool

Method for making a remote controlled sub sea pipe connection between two pipe ends which may be relatively misaligned on a sea bottom comprising, providing a pair of mating coupling halves having misalignment capability for connecting together the pipe ends; lowering a remote controlled vehicle towards the pipe ends; installing a pipe coupling half onto each pipe end, and connecting the pipe coupling halves together and to the respective pipe ends by remotely operating the vehicle from the sea surface to thereby effect the pipe connection.

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Houston, TX, United States of America

Burlie R Bowen