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

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

Detachable gallery for use on buildings or the like

Fire escape – ladder – or scaffold – Torso harness

Detachable harness for fireman's coat and the like

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

Detachable non-conductive platforms for aerial boom trucks

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

Detachable self-contained-aerial-maintenance platform

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

Detachable step

Fire escape – ladder – or scaffold – Combined

Detachable tray for step stool

Fire escape – ladder – or scaffold – Convertible – Ladder

Detachable workbench top

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

Detachable-gaff pole climber

Fire escape – ladder – or scaffold – Ladder with land vehicle

Detachably mounted ladder rack

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

Device adapted to be fastened to a wire, a cable, a cord, or a s

Fire escape – ladder – or scaffold – Safety device for ground-supported ladder – Terminal foot or shoe

Device and method for assisting in the movement of a ladder

Fire escape – ladder – or scaffold – Traversing – track-mounted

Device and method for escaping fire and smoke in high-rise build

Fire escape – ladder – or scaffold – Inclined cable supporting carrier traveling therealong

Device and method for evacuating persons, for example from a...

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

Device at power line poles

Fire escape – ladder – or scaffold – With storage device for supple escape

Device at unfoldable escape-ladder

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

Device enabling a load to be braked and/or held, notably an anti

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

Device for attaching to a tree and stabilizing a bowman...

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

Device for attaching to a tree and stabilizing a bowman...

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

Device for attaching to a tree and stabilizing a bowman...