Prefabricated subsurface drains

Pressure actuated flow control valve

Pressure balanced buoyant tether for subsea use

Pressurized gas filled tendons

Pressurized liquid circulation duct and method for the...

Prevention method of aquatic attaching fouling organisms and...

Prevention of subsurface seepage by acrylic acid polymers

Procedure and means for providing a vertical drain in the...

Process and plant for hydromechanical recovery of a fluid...

Process for burning a combustible liquid using cellular...

Process for burning off oil spills

Process for constructing a quay wall for marine and river...

Process for making gabions provided with inner partitions

Process for mooring a ship and a fender arrangement for such...

Process for packing of oil booms and boom bag for practising...

Process for producing a connecting construction unit, such...

Process for removing oils or petroleum hydrocarbons from the...

Process for separating hydrocarbons from water

Process for the installation of the enbloc superstructure of...

Process to solidify oil on land and sea