Patents in subclass Excavating/By Use Of Submarine Or Undersea Vessel

Parent class: Excavating

Number Patent title Issue Date
07395618 Subsea excavation and suction device

Subsea excavation and suction device includes a suction head with an inlet opening at an outer, free end and an outlet opening connected to a suction hose arranged at a distance from the inlet opening. The suction head is mounted on a...
07/08/2008
07264713 Apparatus, system and method for remediation of contamination

An apparatus, system and method for removing and treating contaminated materials on a bottom of a body of water and introducing growth packets to revitalize the treated bottom of the body of water. The structure may comprise a vessel with...
09/04/2007
07188440 Device and method for bringing ashore or refloating a floating body

An earthmoving device is suspended from a floating body provided with a hull. To that end, suspension elements for suspending the earthmoving device in a movable manner along the outside of the hull are provided, for the purpose of...
03/13/2007
06868625 Method and device for subsea dredging

Method and device for moving subsea rocks and sediments, particularly at significant depths, for example in connection with removal of protective rocks around subsea installations where maintenance is to be conducted. The device includes...
03/22/2005
06584709 Device for removing sludge from the bottom of a lagoon

A system removes a pre-specified amount of material from a body of water to facilitate continued operation thereof. A particular embodiment envisions a sled-like device that, assisted with floats, suitable connectors and a hand winch may...
07/01/2003
06178670 Underwater mining apparatus

There is provided an improved apparatus for recovery of sea-bed material. Known apparatus suffer from problems such as low recovery rate and capital cost. The invention, therefore, provides a recovery apparatus comprising a vehicle upon...
01/30/2001
6061932 Steerable underwater plow with movable body member

A steerable plow configured for towing in a direction along a seabed comprises a body and a soil cutting member slidingly connected to the body. The soil cutting member defines a cutting vane for cutting a trench in the seabed. The body...
05/16/2000