128990 ⎘
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 self-propulsed units moving on the underwater bottom
OPERATION SYSTEM AND OPERATION METHOD FOR UNDERWATER JET TRENCHING AND CABLE LAYING
#2APPARATUS FOR INSERTING AN ELONGATE OBJECT INTO A TRENCH
#3UNDERWATER LAYING DEVICE FOR OFFSHORE OIL AND GAS PIPELINES AND LAYING METHOD THEREOF
#4Apparatus for locating elongate object in a trench in a floor of a body of water
#5Lateral and continuous measurement method for soil parameters in soft soil field
#6UNDERWATER PIPELINE BURYING APPARATUS AND METHOD
#7Submarine cable trencher
#8Underwater pipeline burying apparatus and method
#9Assembly and method for installing a subsea cable
#10Trenching assembly for laying in a trench a continuous pipeline and trenching method
#11Underwater pipeline burying apparatus and method
#12Device and method for burying a conduit in the bed of a body of water
#13TRENCHING DEVICE
#14Manipulating trenching apparatus and methods
#15Self-propelled underwater vehicles and systems for underground laying a continuous elongated member in a bed of a body of water
#16Steerable underwater trenching apparatus
#17System for subsea cable installation
#18Apparatus for entrenching underwater pipelines
#19Method and system for laying underground a continuous elongated member in a bed of a body of water
#20Group and method for laying and burying pipelines at the seafloor
#21Method and system of laying underwater pipelines in the bed of a body of water
#22Vehicle for installing a cable in a ground formation