Mid-line connector and method for pipe-in-pipe electrical...

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

Reexamination Certificate

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Details

C405S154100

Reexamination Certificate

active

07033113

ABSTRACT:
For heating a pipe-in-pipe pipeline with power provided through an electric cable, mid-line connector is provided including: a connector housing joinable to the outer pipe of the pipeline; a blank pipe positioned within the connector housing and joinable to the inner pipe of the pipeline; at least one pocket mounted in the connector housing, wherein the cable is mateable with the at least one pocket; a blank pipe conductor electrically coupled between the at least one pocket and the blank pipe; and an outer pipe conductor electrically coupled between the at least one pocket and the outer pipe.

REFERENCES:
patent: 6142707 (2000-11-01), Bass et al.
patent: 6161025 (2000-12-01), Chiu
patent: 6179523 (2001-01-01), Langner et al.
patent: 6264401 (2001-07-01), Langner et al.
patent: 6292627 (2001-09-01), Gilchrist, Jr. et al.
patent: 6315497 (2001-11-01), Wittman et al.
patent: 6371693 (2002-04-01), Kopp et al.
patent: 6509557 (2003-01-01), Bass
patent: 6688900 (2004-02-01), Bass et al.
patent: 6707012 (2004-03-01), Stone, Jr.
patent: 6714018 (2004-03-01), Bass
patent: 2003/0015436 (2003-01-01), Bass et al.
patent: 2003/0015519 (2003-01-01), Stone
patent: 2003/0016028 (2003-01-01), Bass
patent: 2003/0017007 (2003-01-01), Bass et al.
patent: 2003/0020499 (2003-01-01), Bass
patent: 57117000 (1982-07-01), None
patent: 1481553 (1989-05-01), None
PCT Search Report dated Apr. 30, 2004.

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