P

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.