Pipe loosening device and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11982394
APP PUB NO 20220268390A1
SERIAL NO

17697468

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Abstract

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A pipe loosening device and methods are shown. In one example, the pipe loosening device enables a method wherein a pipe to be replaced is deformed but not burst, and a portion of a sidewall of the pipe is forced outward into the surrounding soil to compact a local region of the surrounding soil and loosen the existing pipe. The pipe may then pulled from the ground along an axis of the pipe.

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Patent Owner(s)

  • TT TECHNOLOGIES INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Olander, John A Aurora, US 28 52

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