LandOfFree - US Patents - Listing for Excavating,Beneath a body of water

Excavating – Beneath a body of water – Rotary digger

Apparatus and method for removing silt from under a body of wate

Apparatus and method for subsidence deepening

Apparatus and methods for subsidence deepening

Excavating – Beneath a body of water – With vessel – propulsion – or anchor structure

Apparatus with flexibly mounted spud carriage

Excavating – Beneath a body of water – Scoop or bucket

Aquatic weed eradicator

Excavating – Beneath a body of water – Adapted to excavate specific discrete material

Assembly for harvesting shellfish such as scallops and alike

Excavating – Beneath a body of water – With vessel – propulsion – or anchor structure

Bidirectional dredge apparatus

Excavating – Beneath a body of water – Endless

Bucket dredger

Excavating – Beneath a body of water – With vessel – propulsion – or anchor structure

Bucket for a mechanical shovel

Excavating – Beneath a body of water – With vessel – propulsion – or anchor structure

Carry scraper ships

Excavating – Beneath a body of water – Adapted to excavate specific discrete material

Classifying and air-stratifying gold separator with inclined...

Excavating – Beneath a body of water – Grab

Contaminated marine sediments dredging apparatus

Contaminated sediment remediation vessel

Contaminated sediment removal vessel

Continuous vacuum, separator, dispensing system

Excavating – Beneath a body of water – With means to control dredger operation in response to...

Control system for the suction line relief valve of a hydraulic

Excavating – Beneath a body of water – Rotary digger

Cutter head and suction dredger

Debris exclusion devices for an augerhead type hydraulic dredge

Debris separator for dredge or slurry pump