Pipe loosening device and method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11293579
APP PUB NO 20210071780A1
SERIAL NO

16952966

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Importance

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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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