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

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

Apparatus for controlled stabilized descent

Fire escape – ladder – or scaffold – Chute or escape tower for personnel

Apparatus for controlling the descent of a passenger carrying bo

Fire escape – ladder – or scaffold – Chute or escape tower for personnel

Apparatus for conveying rubble

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

Apparatus for descending a rope

Fire escape – ladder – or scaffold – Plural platforms – common support – Mounted for relative motion

Apparatus for draining fluids from vehicles

Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means

Apparatus for elevating a stepladder

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

Apparatus for elevating and lowering scaffolding

Fire escape – ladder – or scaffold – Torso harness – Attached to strand wound on reel – and means for retarding...

Apparatus for emergency evacuat1on of people from tall buildings

Fire escape – ladder – or scaffold – Wall- or floor-attached – Wall-mounted platform – with ladder

Apparatus for escalading

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

Apparatus for escaping from building on fire

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

Apparatus for exterior evacuation from buildings

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

Apparatus for facilitating the internal inspection and repair of

Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse

Apparatus for holding scuba tanks

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

Apparatus for hunting in trees

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

Apparatus for inspecting the underside of bridges

Fire escape – ladder – or scaffold – Torso harness – Ladder-associated

Apparatus for installing escape device for slowly lowering a bod

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

Apparatus for installing fiber optical cable

Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means

Apparatus for leveling a ladder

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

Apparatus for lining a furnace