Assignee
SAIPEM SPA
IT149 patents
Top patents by PatentIndex Score
US7189028B1Mar 13, 2007
Underwater pipe-laying
SAIPEM SPA57 citations95
US6524030B1Feb 25, 2003
Underwater pipe-laying
SAIPEM SPA71 citations94
US4257718AMar 24, 1981
Semi-submersible pipelaying craft equipped for laying pipes on sea beds, including deep beds, and the method of operation
SAIPEM SPA95 citations93
US4234268ANov 18, 1980
Apparatus for recovering, by means of a pipelaying craft, pipes laid on deep sea beds
SAIPEM SPA47 citations90
US6429405B2Aug 6, 2002
Apparatus and method for welding pipes together
SAIPEM SPA33 citations88
US6313426B2Nov 6, 2001
Method and apparatus for welding pipes together
SAIPEM SPA20 citations88
US4729695AMar 8, 1988
Process for the installation of the enbloc superstructure of an offshore platform, and equipment for carrying it practically
SAIPEM SPA34 citations88
US4001543AJan 4, 1977
Apparatus for a laser welding of a pipeline, particularly suitable for application on pipe-laying ships
SAIPEM SPA60 citations87
US4444528AApr 24, 1984
Method and apparatus for recovering submerged pipeline
SAIPEM SPA39 citations86
US4132338AJan 2, 1979
Apparatus suitable for use in the automatic welding of pipes
SAIPEM SPA46 citations86
US6729802B2May 4, 2004
System and method for abandoning and recovering pipeline
SAIPEM SPA28 citations85
US6153294ANov 28, 2000
Low cost deep water efficient buoyancy
SAIPEM SPA19 citations83
US4301760ANov 24, 1981
Method for positioning a watercraft, in particular a drilling ship as well as relevant devices
SAIPEM SPA37 citations81
US3978892ASep 7, 1976
Self-locking plug apparatus for sealing and recovering a pipeline laid on a deep submerged bed
SAIPEM SPA21 citations80
US7114881B2Oct 3, 2006
Method and apparatus for welding pipes together
SAIPEM SPA19 citations79
US7011115B1Mar 14, 2006
Insulated pipe structure and methods of making such structures
SAIPEM SPA15 citations76
US10788147B2Sep 29, 2020
Pipe handling system and method of joining pipe sections
SAIPEM SPA7 citations74
US4053973AOct 18, 1977
Pipe-handling apparatus
SAIPEM SPA19 citations74
US6939083B2Sep 6, 2005
Apparatus and method for connecting pipes during underwater pipe-laying
SAIPEM SPA14 citations73
US4363954ADec 14, 1982
Device for the back support of the first run weld pool in the automatic butt-welding of pipes
SAIPEM SPA9 citations71
US4352595AOct 5, 1982
Apparatus for and method of supporting pipe suspended over depressions in the sea bed
SAIPEM SPA11 citations71
US4329086AMay 11, 1982
Method for laying an underwater pipe to straddle an already laid pipe, and the relative devices
SAIPEM SPA7 citations71
US4265566AMay 5, 1981
Apparatus for supporting pipes suspended over depressions in the sea bed, including those situated at great depth, and the method for installing it
SAIPEM SPA13 citations71
US9567043B2Feb 14, 2017
System and method for handling reels for laying elongated members on the bed of a body of water, auxiliary structure, and laying vessel
SAIPEM SPA2 citations70
US3967461AJul 6, 1976
Ramp for slidably supporting a pipeline to be laid on a submerged bed
SAIPEM SPA13 citations70
US11440626B2Sep 13, 2022
System and method for power and data transmission in a body of water to unmanned underwater vehicles
SAIPEM SPA2 citations69
US10989270B2Apr 27, 2021
Vibration damper for pipes
SAIPEM SPA2 citations69
US10900672B2Jan 26, 2021
Blower device for delivering an amplified rate air flow and modular cooling unit
SAIPEM SPA2 citations69
US10641064B2May 5, 2020
Connecting system and method for connecting two conduits in a body of water
SAIPEM SPA2 citations69
US10604221B2Mar 31, 2020
Unmanned underwater vehicle, system and method for the maintenance and inspection of underwater facilities
SAIPEM SPA4 citations69
US10435865B2Oct 8, 2019
Trenching assembly for laying in a trench a continuous pipeline and trenching method
SAIPEM SPA2 citations69
US9694334B2Jul 4, 2017
Gas diffusion system and method for introducing a gas stream in an apparatus, in particular a passivating gas stream in a urea plant
SAIPEM SPA6 citations69
US9581040B2Feb 28, 2017
Module, system and method for generating electric power inside a pipeline
SAIPEM SPA2 citations69
US4146345AMar 27, 1979
Apparatus for and method of supporting pipelines suspended over depressions in the sea bed
SAIPEM SPA15 citations69
US4020952AMay 3, 1977
Articulated stand apparatus for laying and recovering pipeline
SAIPEM SPA22 citations69
US10167061B2Jan 1, 2019
Buoyancy device for very deep water and production method thereof
SAIPEM SPA2 citations68
US9422205B2Aug 23, 2016
Process for the production of high-purity isobutene through the cracking of MTBE or ETBE and integrated process for the production of the relative ether
SAIPEM SPA4 citations68
US6124566ASep 26, 2000
Automatic tracking process of the joint bevel for the butt welding of pipes and equipment for the embodiment of the process
SAIPEM SPA7 citations68
US10434468B2Oct 8, 2019
Method and system for removing ammonia from a vent gas stream of a urea plant
SAIPEM SPA5 citations67
US11433975B2Sep 6, 2022
System and method for temporarily connecting an underwater station and a surface facility
SAIPEM SPA2 citations66
US4149326AApr 17, 1979
Machine for digging a trench beneath a submerged pipeline
SAIPEM SPA19 citations66
US11945693B2Apr 2, 2024
Multi-functional clamp, system and method for the installation of a wind turbine on an offshore substructure
SAIPEM SPA2 citations65
US10597849B2Mar 24, 2020
Method and system for burying a pipeline in a bed of a body of water
SAIPEM SPA3 citations65
US10166715B2Jan 1, 2019
Method and device for applying protective sheeting of polymer material to a pipeline
SAIPEM SPA3 citations65
US5452507ASep 26, 1995
Method for laying underwater pipelines in deep water
SAIPEM SPA13 citations65
US4529568AJul 16, 1985
System for coating welded pipe joints with weighting material
SAIPEM SPA11 citations65
US4304505ADec 8, 1981
Method for repairing a damaged pipe laid on deep sea beds
SAIPEM SPA21 citations65
US10859185B2Dec 8, 2020
Pipe-laying vessel
SAIPEM SPA2 citations64
US10415350B2Sep 17, 2019
Underwater hydrocarbon processing facility
SAIPEM SPA3 citations64
US9506580B2Nov 29, 2016
Electronic system, method, and program for controlling a variable-configuration lay ramp of a pipeline laying vessel, to lay a pipeline on the bed of a body of water
SAIPEM SPA3 citations63
Showing the top 50 of 149 patents by PatentIndex Score.