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Browse by Category: Main > Engineering
Class Information
Number: 405/184.5
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > Plural pipe sections
Description: Subject matter wherein multiple pipe sections are laid, retrieved, or manipulated in a subterranean location.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8662815 Gripping organ for load-moving vehicles Mar. 4, 2014
8272406 Methods for rehabilitating conduits using structural liners Sep. 25, 2012
8075225 Movable pipeline tee Dec. 13, 2011
7726909 Apparatus, system, and method for concurrently laying multiple pipelines Jun. 1, 2010
7717647 Pipe conveying system May. 18, 2010
7475915 Device by pipeline diversion Jan. 13, 2009
7465124 Method and apparatus for installing underground pipe Dec. 16, 2008
7398797 Pipe lining method Jul. 15, 2008
7080957 Pipe puller Jul. 25, 2006
7070359 Microtunneling systems and methods of use Jul. 4, 2006
7037043 Methods for lining pipes and connecting the lined pipe with adjacent or lateral pipes May. 2, 2006
7021338 Separated sanitary and storm sewer system Apr. 4, 2006
6969217 Pipe puller Nov. 29, 2005
6939083 Apparatus and method for connecting pipes during underwater pipe-laying Sep. 6, 2005
6899842 Method and installation for laying a cylindrical pipe on a support May. 31, 2005
6843619 Apparatus able typically to transform a frame mounted on crawler tracks into a pipe playing machine Jan. 18, 2005
6830412 Device for digging narrow trenches and laying prefabricated tongued and grooved components Dec. 14, 2004
6742964 Method for installing conduit or the like on mountainside Jun. 1, 2004
6739803 Method of installation of electrically heated pipe-in-pipe subsea pipeline May. 25, 2004
6588984 Method for installing conduit or the like on mountain surface using steel cable Jul. 8, 2003
6561731 Portable irrigation pipe installation and removal system May. 13, 2003
6068426 Method of connecting conduits May. 30, 2000
5967698 Permitting two adjacent pipe lengths to be joined together Oct. 19, 1999
5803665 Method and apparatus for continuous production of quick-setting foamed cement grout with selectively adjustable proportions Sep. 8, 1998
5795101 Pipe laying robot apparatus and method for installing pipe Aug. 18, 1998
5775842 Double containment under ground piping system Jul. 7, 1998
5749678 Device for driving a tunnel or drain pipe May. 12, 1998
5707175 Excavating and pipe laying machines Jan. 13, 1998
5664912 Tool for a sewer robot Sep. 9, 1997
5649786 Apparatus for down hole fusing Jul. 22, 1997
5609439 Method of and apparatus for repairing and sealing junctions between mains and branch pipes Mar. 11, 1997
5605419 Underground duct banks Feb. 25, 1997
5580186 System for conveying a fluid through an under-the-ground location and method of making the same Dec. 3, 1996
5580589 Apparatus for bending plastic pipe Dec. 3, 1996
5560655 Electrical conduit coupling with lubrication fitting Oct. 1, 1996
5558464 System for conveying a fluid through an under-the-ground location and method of making the same Sep. 24, 1996
5553975 Method of installing underground pipes for sewer lines Sep. 10, 1996
5522699 Pipe laying assembly Jun. 4, 1996
5505565 Apparatus for making up threaded pipe joints into a pipeline Apr. 9, 1996
5482403 Sewer construction and pipe encasement therefor Jan. 9, 1996
5456552 Method and apparatus for installing pipe in horizontal borehole Oct. 10, 1995
5452967 Pipe laying system and method Sep. 26, 1995
5413385 Underground collar May. 9, 1995
5403122 Process, in particular to install sewer pipes and a device to carry out the process Apr. 4, 1995
5368413 Relating to handling or laying pipes Nov. 29, 1994
5364207 Method for making service connections to polyethylene pipe Nov. 15, 1994
5358358 System for conveying a fluid through an under-the-ground location and method of making the same Oct. 25, 1994
5354150 Technique for making up threaded pipe joints into a pipeline Oct. 11, 1994
5193938 Method and apparatus for laying pipe Mar. 16, 1993
5165822 Pipe joint for driving pipes laid underground by the driving technique Nov. 24, 1992

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