LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Earth treatment or control,Shoring, bracing, or cave-in prevention

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H-shaped steel sheet pile wall

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Heading shield

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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High face-area low-volume concrete wall block, form and method

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Reexamination Certificate

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High lift temporary roof support for mines

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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High strength corrugated metal plate and method of fabricating s

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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High strength corrugated metal plate and method of fabricating s

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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High tensile strand, anchorages and methods of installation ther

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hole shoring system

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Housing for a support shoe in a trench falsework

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hydraulic advancing support frame

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hydraulic control arrangement for a roof support unit of a miner

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hydraulic control means

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hydraulic mine-roof support

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic propulsion unit

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hydraulic roof-support frame

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic shield support

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Reexamination Certificate

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Hydraulic shield support frame

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hydraulic shield-type support

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Hydraulic steel mine prop

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic steel mine prop

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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