128989 ⎘
Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
Sub-classes:System for Determination of Line and Level for Trenchless Construction
#2DEVICE, METHOD AND ASSEMBLY FOR PROVIDING AN ELONGATE ELEMENT IN A SEABED
#3UNDERWATER PIPELINE BURYING APPARATUS AND METHOD
#4Subsea trencher and method for subsea trenching
#5Method and system for burying a pipeline in a bed of a body of water
#6Underwater pipeline burying apparatus and method
#7Assembly and method for installing a subsea cable
#8Trenching assembly for laying in a trench a continuous pipeline and trenching method
#9Underwater pipeline burying apparatus and method
#10System and method for laying an underwater pipeline on a bed of a body of water
#11Trench apparatus with leveling means
#12Digging machine
#13Underwater trenching apparatus
#14Fluidified inert material spreading device for burying an underwater pipeline, and method of spreading fluidified inert material over an underwater pipeline
#15Gripper for continuous elongated members, vehicle movable along a continuous elongated member, and method of advancing the vehicle
#16Digging method and assembly for laying a pipeline in the bed of a body of water
#17Group and method for laying and burying pipelines at the seafloor
#18Underwater trenching apparatus
#19Trenching Machines And Methods
#20Method of trenching below the water table
#21Underwater trenching apparatus
#22Cable or pipe retrieval and burial apparatus and methods
#23Buoyancy shifting apparatus for underwater plow