Assignee
NU PIPE INC
US·9 granted patents·422 citations·filing 1987–1995
Top patents by PatentIndex Score
9 records- 0193US5397513AMethod for installing a length of substantially rigid thermoplastic pipe in an existing conduitNU PIPE INC·Filed 1993·Granted Mar 14, 1995·85 cites·20 claims
- 0293US4867921AProcess for installing a new pipe inside an existing pipelineNU PIPE INC·Filed 1987·Granted Sep 19, 1989·86 cites·14 claims
- 0391US5587126AMethod of manufacturing a pipe liner for installation in an existing conduitNU PIPE INC·Filed 1995·Granted Dec 24, 1996·58 cites·18 claims
- 0488US5034180AMethod for installing a substantially rigid thermoplastic pipe in an existing pipelineNU PIPE INC·Filed 1988·Granted Jul 23, 1991·61 cites·20 claims
- 0571US5589131AMethod for manufacturing a replacement pipe for installation in an existing conduitNU PIPE INC·Filed 1993·Granted Dec 31, 1996·20 cites·19 claims
- 0669US5447665AMethod of removal of replacement pipe installed in an existing conduitNU PIPE INC·Filed 1993·Granted Sep 5, 1995·18 cites·11 claims
- 0769US5403120AMethod of installing a substantially rigid thermoplastic pipe in existing main and lateral conduitsNU PIPE INC·Filed 1993·Granted Apr 4, 1995·27 cites·37 claims
- 0867US5244624AMethod of installing a new pipe inside an existing conduit by progressive roundingNU PIPE INC·Filed 1991·Granted Sep 14, 1993·24 cites·11 claims
- 0966US5368809AMethod of installing a new pipe inside an existing conduit by progressive roundingNU PIPE INC·Filed 1993·Granted Nov 29, 1994·43 cites·18 claims
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