Drill spring tension limiting device for floating drilling vesse
Drill string heave compensator and latching apparatus
Drive mechanism for a line-pulling apparatus
Electric hoist
Emergency descent device
Engagement devices
Escape device
Extensible supporting strut
Extension rod unit
Extraction device for ditch sheeting elements
Fastening for a hydraulic motor
Flag hoist
Fluid actuated dynamic brake
Fluid pressure-controlled winch mechanism
Force feedback controlled winch
Gantry cranes
Gimbaled sheave with cable angle sensors
Gripper assembly for moving drilling rigs
Gripper system for moving drilling rigs
Gripping and skidding apparatus