128963 ⎘
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 Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
Improvements In and Relating To Underwater Excavation Apparatus
#2Suction Dredger for Use on Underwater Hard Soil Layer
#3DREDGE HEAD ASSEMBLY AND RELATED DIVER-ASSISTED DREDGING SYSTEM AND METHODS
#4Device for the removal of sludge and/or sand from the bottom of a wetland
#5Cutter head with skirt
#6Hydro excavation remote dig system
#7Cutter head with suction function and a method for using same
#8Carouseling articulated dredge and barge
#9Device and method for removing alluvial deposits from the bed of a body of water
#10Rotatable hydro excavation suction wand
#11Dredging apparatus and method of dredging
#12Suctioning device for large artificial water bodies
#13Device and method for removing alluvial deposits from the bed of a body of water
#14Submersible pump
#15DREDGING ARRANGEMENT COMPRISING A BIASING DEVICE
#16Dust suppression arrangement for heavy excavation equipment
#17Self cleaning collection apparatus and method
#18Water body cleaner with selective sediment dredging head
#19Subsea mining tool including a suction mouth
#20Drag head and trailing suction hopper dredger
#21Apparatus for the dredging of sediments from the seabed
#22Dredging head apparatus
#23Self-emptying vacuum apparatus for use by gold prospectors
#24Dust suppression arrangement for heavy excavation equipment
#25Environmental Remediation System
#26Drag head of a trailing suction hopper dredger and method for dredging using this drag head
#27Seabed organic material relocating
#28Method and apparatus for collecting and/or removing sludge
#29APPARATUS FOR ASSEMBLING A LINER
#30Apparatus for assembling a liner
#31Dredging, scouring, excavation and cleaning
#32Recovery head with track seal
#33Carouseling articulated dredge and barge
#34Sediment suction sink and method for sediment control in rivers, streams, and channels