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

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Yieldable confined core 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

Yieldable load 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

Yieldable mine post

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Yieldable mine post having a double ball and socket configuratio

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Yieldable mine post system

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Yieldable mine roof 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

Yieldable prop

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

Yieldable prop having a restraint arrangement

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

Yieldable prop having a yield section

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

Yieldable roof support for mine passages and the like

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Yielding column

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

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