LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Earth treatment or control

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Hydraulic conduit systems for mine installations

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement

Patent

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Hydraulic control arrangement

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement

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

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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 control system

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement

Patent

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Hydraulic roof-support frame

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

Patent

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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

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Hydraulic steel mine prop

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

Patent

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Hydraulic trench support

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

Patent

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Hydraulic valve control apparatus

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement

Patent

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Hydraulic walking 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 walking 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

Hydraulically operated mine prop with safety valve

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

Patent

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Hydraulically operated mine roof support and a control arrangeme

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement

Patent

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Hydraulically operated unit for 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

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