P.e.p.t.e.c. (perpetual energy producing tide energy...
Pad-type inflatable seal for a removable bottom founded...
Passive method for obtaining controlled drainage from a vessel
Passive ocean current deflector
Paving stone
Penstock fish diversion system
Penstocks
Permanent, maintenance-free flood control dams
Phase separation by ferromagnetic particles
Pile jacking systems for off-shore oil platforms
Pipe assembly for collecting surface water runoff and...
Pipe for underdraining
Pivotal connecting device for pivotally connecting an...
Placing water turbines in water flows
Plant for melting ice and preventing ice formation
Plant for treatment of urban runoff water
Plastic underdrainage tube
Plate-forme de forage ou de production pour travaux en mer
Platform leg plug
Platform leg plug