BIOINSPIRED HORIZONTAL SELF-BURROWING DEVICE

Penetrating cushion damping device

TUNNELING AND NAVIGATION SYSTEMS INCLUDING CONTROLLER CONFIGURED TO DETERMINE ENVIRONMENTAL CHARACTERISTIC

Tunneling device including expandable section

Self-entry exploitation device and method for marine natural gas hydrates

Method and system for connecting formation fractures using fracbots

Locking and rotating device, twister, for tubular casing elements for vertical excavations

Method for expansion of mature brine wells in salt domes

Soft robotic device with fluid emission for burrowing and cleaning

Pipe storage box

Subterranean well torpedo system

Unmanned undersand vehicle

Pipe storage box

Displacement and/or compaction device

Golf tee insert device and method for inserting a golf tee into the ground

Electrical grounding systems

Reversible pneumatic pipe ramming tool

Steerable mole boring system

Electrical grounding systems

Sub-slab soil gas sampling system

Carriage for a displacement hammer for positioning the displacement hammer in a launch pit, drilling system with a displacement hammer and a carriage for positioning the displacement hammer in a launch pit and a method for positioning a displacement hammer in a launch pit

SELF PROPELLING SUBTERRANEAN VEHICLE

Pipe storage box

Geotechnical apparatus comprising at least one rod provided with a probe

System and method for cleaning of a drill bit

Direct torque helical displacement well and hydrostatic liquid pressure relief device

Optimized soil penetrating machine

Assembly and method for subsea hydrocarbon gas recovery

Vibrating soil probe

Modular compaction boring machine system

LAND SEISMIC SENSOR DEPLOYMENT

Helical screw pile and soil displacement device with curved blades

Two-port percussion mole

Kinetic penetrator with a retrieval tether

Kinetic penetrator beacons for multistatic geophysical sensing

Method and system for an automatic milling operation

METHOD AND DEVICE FOR DRILLING A PIT OR PASSAGE, AND FLEXIBLE TUBE THEREFOR

Boring ram

Ground-drilling device

Steerable ground piercing tools

Percussion mole and method of geothermal heat exchange

DRILL HEAD

Device and method for drilling and compacting ground

Steerable ground piercing tools

Method and tool for installing new pipe underground

Earth boring device

Pneumatic impact tool

Boring head method and boring head for a ground boring device

Autonomous excavating apparatus

Directional collar for pipe installation

Pneumatically reversible ram boring device

Underground piercing tool

Pneumatic ground piercing tool

Steerable soil penetration system

Method and apparatus for emplacing columns

High speed precision guide device for creating holes for piles or other support members

High speed precision guide device for creating holes for piles or other support members

Soil stabilizer

Repetitive charge seismology unit

Geo-diving device