128959 ⎘
Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers; Component parts, e.g. arrangement or adaptation of pumps; Digging elements, e.g. suction heads; Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
Sub-classes:DREDGING SYSTEM AND METHOD FOR DREDGING
#2MICRODREDGING SYSTEM AND METHOD OF USING THE SAME
#3Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site
#4HYDRO EXCAVATION VACUUM APPARATUS AND FLUID STORAGE AND SUPPLY SYSTEMS THEREOF
#5Device for removal of sediment from inside piles
#6Hydro excavation vacuum apparatus having deceleration vessels and methods for hydro excavating a site
#7Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site
#8Hydro excavation vacuum apparatus having an adjustment system for adjusting a dewatering system screen
#9Hydro excavation vacuum apparatus
#10Microdredging system and method of using the same
#11Hydro excavation vacuum apparatus and fluid storage and supply systems thereof
#12Cyclonic separation systems and hydro excavation vacuum apparatus incorporating same
#13Microdredging system
#14Apparatus for collecting surface seabed sediment and apparatus for collecting seabed sediment using the same
#15Underwater trenching apparatus
#16Method and apparatus for auxilary seafloor mining
#17Underwater miner cutter head, underwater miner, and underwater mining system
#18APPARATUS FOR ASSEMBLING A LINER
#19Apparatus for assembling a liner
#20Mobile vacuum boring and excavation method
#21Mobile vacuum boring and mud recovery method having an articulated vacuum conduit boom with digging bucket
#22Recovery head with track seal