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Class Information
Number: 405/168.1
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > Submerging, raising, or manipulating line of pipe or cable in or from marine environment > With causing or controlling the deformation of a line
Description: Method or apparatus wherein the conduit or string is in the form of an elongated member having a stress limit beyond which plastic deformation occurs, and a step or means is recited to either (a) ensure that the stress limit is not exceeded during placement of the string or conduit or (b) to straighten or otherwise alter the longitudinal configuration of the string or conduit as the same is transferred from a supply to its final position below the water surface.

Sub-classes under this class:

Class Number Class Name Patents
405/168.2 Buckle arrestor for pipe 26
405/168.3 Pipe laying from a reel 85
405/168.4 Pipe tensioner 57

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5275510 Offshore tanker loading system Jan. 4, 1994
5192166 Method of controlled bending of a pipeline during laying thereof in the sea Mar. 9, 1993
5181798 Double pipe turntable and stinger Jan. 26, 1993
5175989 Apparatus for avoiding torque build-ups in deploying ocean cable Jan. 5, 1993
5145289 Reduced J-tube riser pull force Sep. 8, 1992
5011333 Underwater pipe laying apparatus Apr. 30, 1991
5000619 Apparatus for laying or recovering an undersea optical fiber cable Mar. 19, 1991
4992001 Method of deepwater pipelay Feb. 12, 1991
4941773 Method for thermal insulation of pipeline bundles under water and pipelines insulated in this way Jul. 17, 1990
4909669 Pipeline joint protector Mar. 20, 1990
4810133 Tension leg platform tendon installation by deep catenary tow Mar. 7, 1989
4808031 Pipeline joint protector Feb. 28, 1989
4802794 Reel type marine pipe laying apparatus with tension induced pipe straightening Feb. 7, 1989
4755081 Reduced J-tube pull force Jul. 5, 1988
4755947 Monitor for and method of deploying anchor lines for off shore platforms Jul. 5, 1988
4723874 Multi-reel operational lines laying vessel Feb. 9, 1988
4721411 Multi-reel operational lines laying vessel Jan. 26, 1988
4710059 Method and apparatus for simultaneous trenching and pipe laying in an arctic environment Dec. 1, 1987
4688966 Reduced J tube pull force Aug. 25, 1987
4687378 Temporarily terminating laying of underwater pipe line Aug. 18, 1987
4647255 Pipe bend restrictor Mar. 3, 1987
4647253 Cable turntable assembly Mar. 3, 1987
4600339 Shield for protecting a well head and functional modules of an under sea station Jul. 15, 1986
4588326 Subsea pipeline connection May. 13, 1986
4563108 Pressure actuated release mechanism Jan. 7, 1986
4541754 Device and process for lowering a connector suspended from guide line to a guide column installed on an underwater station Sep. 17, 1985
4522536 Apparatus for and method of fluid sealing channeled flange connectors of under-water pipe line sections Jun. 11, 1985
4498811 Underwater pipeline sealing apparatus Feb. 12, 1985
4498812 Process for laying a submarine cable Feb. 12, 1985
4443129 Method and apparatus for tapping a submerged pipe Apr. 17, 1984
4439068 Releasable guide post mount and method for recovering guide posts by remote operations Mar. 27, 1984
4433938 Method and apparatus for lowering and positioning a pipe line onto the bottom of a deep water Feb. 28, 1984
4431342 Pivoting pipe layer Feb. 14, 1984
4422799 Method for installing submarine pipelines using a marine railway system Dec. 27, 1983
4410297 Marine continuous pipe laying system Oct. 18, 1983
4399601 Method of preparing and using a pressure actuated release mechanism Aug. 23, 1983
4332509 Riser pipe system for collecting and raising petroleum produced from an underwater deposit Jun. 1, 1982
4313694 Submersible pipe installation systems Feb. 2, 1982
4273469 System and method for laying subsea pipelines Jun. 16, 1981
4264234 Directional orientation apparatus for surface end of submerged oil line Apr. 28, 1981
4225270 Method and apparatus for connecting a flowline to an offshore installation Sep. 30, 1980
4201074 Submersible pipe installation systems May. 6, 1980
4148127 Method of applying a bond-type crack arrestor to a pipe section of a pipeline Apr. 10, 1979
4145909 Pipeline bending method Mar. 27, 1979
4129992 Laying tool for laying of submarine cables into a sea-bottom Dec. 19, 1978
4110994 Marine pipeline Sep. 5, 1978
4095437 Submersible pipe installation systems Jun. 20, 1978
RE29591 Column stabilized stinger transition segment and pipeline supporting apparatus Mar. 28, 1978
4068489 Method and apparatus for laying an oil filled cable at depths below the laying equipment Jan. 17, 1978
4037189 Method and apparatus for determining the profile of an underwater pipeline Jul. 19, 1977

1 2 3

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