Bacterial composition for the recovery of oil-polluted water...

Ball joint for connecting a concrete tower carrying a...

Ballast system

Ballastable concrete base for an offshore platform

Bar screen cleaning device

Bar screen with improved rake wiping mechanism

Bar screen with screen cleaner for waste water treatment...

Bar screening apparatus for flowing streams of water and the...

Bar sieve system for liquids including fibrous substances

Barrage gonflable

Barrier device and method for building barrier wall

Barrier for defining a swimming area

Barrier for floating pollutants

Barrier for oil spilt on water

Barrier for water carried pollutants

Barrier for water carried pollutants

Barrier, in particular for damming a tidal waterway during...

Beach beam

Beach erosion control device

Beach erosion control structure