Machine for cleaning gratings by means of an oscillating arm...

Machine with mobile grid for the elimination from channels...

Man-made steady

Manually controlled skimming of industrial oil contaminants

Marine apparatus having telescopic legs

Marine dock fender contact surface attaching boss

Marine dock section

Marine docking device

Marine drilling rig designed to monitor eventual fissuring...

Marine drilling rig with devices for detecting eventual...

Marine fender

Marine platform for offshore submarine drilling operations...

Marine structure

Marine structure for drilling after and/or production of...

Material and method for forming an underwater barrier layer

Matting for the prevention of hydraulic erosion

Means and method for disposing of fluid floating matter

Means and method for sweeping material floating on water...

Means and method of making columnar structures in situ

Means for increasing the efficiency of an ice disaggregation...