128960 ⎘
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 with axis of rotation parallel to longitudinal axis of the suction pipe
Improvements In and Relating To Underwater Excavation Apparatus
#2Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site
#3HYDRO EXCAVATION VACUUM APPARATUS AND FLUID STORAGE AND SUPPLY SYSTEMS THEREOF
#4Trench cutter and method for producing a cut trench in the soil
#5Cutter head with skirt
#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
#10Hydro excavation vacuum apparatus and fluid storage and supply systems thereof
#11Cutter head
#12SYSTEM AND METHOD TO EXCAVATE USING VACUUM EXCAVATOR