128951 ⎘
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; Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with jets
FLUID JET AGRICULTURAL DEVICES, SYSTEMS AND METHODS
#2BI-DIRECTIONAL SLED
#3Dredging method and apparatus
#4Trench cutter and method for producing a cut trench in the soil
#5De-trenching apparatus
#6Fluid jet agricultural devices, systems and methods
#7Trench cutting apparatus and method
#8Hydraulic excavation and delivery device
#9Excavation system with interchangeable tools
#10Dredge with water-jet cutterhead
#11Cavitating water jet hard rock dredge mining system