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Browse by Category: Main > Engineering
Class Information
Number: 405/157
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > With protection or indication of pipe or trench
Description: Method or apparatus wherein a ditch is formed into which the conduit or string is to be laid, and wherein means is provided to guard against damage or injury either to the conduit or string or to people who may be in the ditch, or wherein means is provided to show where the conduit or string is subsequently buried under the surface of the earth.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8702347 Device for protecting a subsea structure and methods relating to same Apr. 22, 2014
8651149 Fluid filled jacket for concrete pipe Feb. 18, 2014
8454270 Portable foam dispensing machine Jun. 4, 2013
8303217 Systems for the subterranean support of underground conduits Nov. 6, 2012
8215870 Systems and methods for protecting subterranean structures Jul. 10, 2012
8177457 Pipeline protection and levee module system May. 15, 2012
8151453 Channel-positioning machine Apr. 10, 2012
8061934 Method and installation for the subterranean support of underground conduits Nov. 22, 2011
7771140 Methods for the subterranean support of underground conduits Aug. 10, 2010
7753412 Vented gas riser apparatus Jul. 13, 2010
7740417 Construction method for installing underground pipes for high-tension cables by using trough Jun. 22, 2010
7740284 Vented gas riser apparatus Jun. 22, 2010
7581903 Method of manufacture and installation flowable thermal backfills Sep. 1, 2009
7563054 Marking tape with passive resonant circuits and methods of use Jul. 21, 2009
7458749 Wastewater effluent shield Dec. 2, 2008
7402003 Trench box moving apparatus and method Jul. 22, 2008
7367748 Method of installing tracer wire with pipeline utilizing horizontal directional drilling May. 6, 2008
7351009 Fiber optic installation structures in a paved surface, ducts, and methods therefor Apr. 1, 2008
7308911 Electronically detectable high-pressure hose and method of determining the location of the hose Dec. 18, 2007
7246971 Stabilisation of submarine elongate structures Jul. 24, 2007
7226243 Load-bearing, lightweight, and compact super-insulation system Jun. 5, 2007
7150116 Device and method for locating an underground object Dec. 19, 2006
7070360 Apparatus and method Jul. 4, 2006
7066687 Marine seismic surveying Jun. 27, 2006
7029205 Apparatus for pipeline stabilization and shoreline erosion protection Apr. 18, 2006
7025534 Marine seismic surveying Apr. 11, 2006
7001106 Installation of service connections for sensors or transmitters in buried water pipes Feb. 21, 2006
6976809 Method of preventing frost heave stress concentrations in chilled buried pipelines Dec. 20, 2005
6922886 APT-1 (anode placement tool-model 1) Aug. 2, 2005
6924428 Damage prevention system for cables, pipelines and the like Aug. 2, 2005
6901716 Ground stake for holding drain pipe Jun. 7, 2005
6866448 Fiber optic installation Mar. 15, 2005
6848862 Multi-gimbal marine communication cable to ocean buoy transition interface Feb. 1, 2005
6846133 Marine seismic surveying Jan. 25, 2005
6837654 Fiber optic cable secured in a groove Jan. 4, 2005
6764250 Method of load reduction on buried culvert using EPS block and/or geosynthetics Jul. 20, 2004
6702518 Underground conveyance protection device and method Mar. 9, 2004
6695538 Drainage pipe support/diverter system Feb. 24, 2004
6679655 Permafrost support system and method for vacuum-insulated pipe Jan. 20, 2004
6644891 Composition having low thermal resistivity and method for laying underground cables for carrying electrical energy Nov. 11, 2003
6609855 Color-pigmented utility conveyance Aug. 26, 2003
6558081 Composite particles and methods for their application and implementation May. 6, 2003
6554537 Pipeline crossing module Apr. 29, 2003
6538446 Closure guard with electronic marker and perforated carrier sheet Mar. 25, 2003
6530723 Device and process for excavating and backfilling of soil Mar. 11, 2003
6439808 Method and a device for protective encapsulation of pipe loops installable on the seabed Aug. 27, 2002
6413018 Method for supporting a pipeline in a trench Jul. 2, 2002
6371692 Device for early detection of underground utilities during excavation and method of using the same Apr. 16, 2002
6371691 Method of introducing optical cable into a solid bed Apr. 16, 2002
6345933 Tank with backfill deflectors Feb. 12, 2002

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