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Sea bottom sampler

Excavating – Beneath a body of water – Grab
Patent

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Sea grass slab planter and related process

Excavating – Beneath a body of water – Grab
Reexamination Certificate

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Sediment relocation machine

Excavating – Beneath a body of water – Suction
Patent

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Sediment removal system

Excavating – Beneath a body of water – Suction
Reexamination Certificate

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Self-powered, submersible dredge apparatus

Excavating – Beneath a body of water – Suction
Patent

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Shellfish dredging apparatus

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

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Shellfish dredging apparatus

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

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Shoe mechanism for an excavating wheel and associated method

Excavating – Beneath a body of water – Rotary digger
Reexamination Certificate

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Sludge harvester for removing sludge from sludge ponds

Excavating – Beneath a body of water – With means to scour or scrape
Reexamination Certificate

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Sludge removal

Excavating – Beneath a body of water – Suction
Reexamination Certificate

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Soil-excavating apparatus

Excavating – Beneath a body of water – Suction
Reexamination Certificate

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Spade wheel apparatus for dredging equipment and associated...

Excavating – Beneath a body of water – Rotary digger
Reexamination Certificate

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Steerable underwater plow with movable body member

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

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Subsea excavation and suction device

Excavating – Beneath a body of water – By use of submarine or undersea vessel
Reexamination Certificate

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Subsea excavation and suction device

Excavating – Beneath a body of water – By use of submarine or undersea vessel
Reexamination Certificate

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Suction dredge pump apparatus

Excavating – Beneath a body of water – Suction
Patent

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Suction excavator

Excavating – Beneath a body of water – Suction
Reexamination Certificate

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Suction excavator

Excavating – Beneath a body of water – Suction
Patent

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Suction head for sediment dredge

Excavating – Beneath a body of water – Scoop or bucket
Reexamination Certificate

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System to reduce sediment toxicity

Excavating – Beneath a body of water – With means to scour or scrape
Patent

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