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

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Alternate grasping

Transport apparatus and method having conformable gripping...

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber

Transport device for movement of an operator up and down a utili

Fire escape – ladder – or scaffold – Endless conveyer escape

Transportable rescue conveyer

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

Transportable, articulated-arm crane

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

Transportable, self-erecting, battery powered, vertical lift...

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

Transportable, twin telescopic arm platform hoist

Fire escape – ladder – or scaffold – Door and ladder – Door operates ladder

Trap door and folding ladder arrangement

Fire escape – ladder – or scaffold – Combined

Trash ladder

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

Travel and rotation control device for boom lift

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

Traveling worker platform

Fire escape – ladder – or scaffold – Horizontal traversing - actuation – control – or response – Holding means

Travelling scaffolding

Fire escape – ladder – or scaffold – Combined

Tray attachment for a ladder

Fire escape – ladder – or scaffold – Safety device – platform associated – Railing

Tray for tripod deer stand

Fire escape – ladder – or scaffold – Scaffold external of shaft

Tree chair

Fire escape – ladder – or scaffold – Scaffold external of shaft

Tree chair

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

Tree climber or step device

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

Tree climber step assembly

Fire escape – ladder – or scaffold – Leg or shoe attachable pole climber

Tree climbing aid

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Foot- or leg-attachable

Tree climbing apparatus