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

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Valve arrangement for a walking mine roof support

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Valve devices for use with mining equipment

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Variable yielding mining crib support column

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vehicle mounted temporary 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

Vehicle with dual drill booms and temporary 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

Versatile grout bag type of underground support

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Versatile roof bolt assembly

Hydraulic and earth engineering – Earth treatment or control – Chemical

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vertical isolation system for two-phase vacuum extraction of soi

Hydraulic and earth engineering – Earth treatment or control

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vibration-proof construction method

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vibratory compactor

Hydraulic and earth engineering – Earth treatment or control – Compaction

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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