LandOfFree - US Patents - Listing for Fire escape, ladder, or scaffold

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Arboreal climbing and support method and apparatus

Fire escape – ladder – or scaffold – Torso harness

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Arrangement for providing heat to a personnel bucket of an aeria

Fire escape – ladder – or scaffold – Combined

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Arrangement for the demolition of smokestacks

Fire escape – ladder – or scaffold – Scaffold supported internally on shaft

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Arrangement in hanging cradles

Fire escape – ladder – or scaffold – Platform with elevating or lowering means – Suspended

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Articulated aerial device including an upper boom...

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Reexamination Certificate

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Articulated aerial lift

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Articulated aerial work platform system

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Patent

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Articulated boom and assembly therefor

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Patent

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Articulated boom including tensioning apparatus

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Patent

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Articulated boom jib assembly

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Patent

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Articulated boom structure

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Patent

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Articulated ladder assembly

Fire escape – ladder – or scaffold – Convertible – Ladder

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Articulated parallelogram boom assembly synchronization device

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Articulated powered lift machines

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Patent

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Articulated work platform with scissors motion

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Articulating step assembly

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Ascender for a roofing safety system

Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Ascender for rope climbing, adapted for use with a carabiner

Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder

Patent

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Ascending cam

Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Ascension/descension apparatus and method

Fire escape – ladder – or scaffold – Traversing – track-mounted – With occupant elevating or lowering means

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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