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

Fire escape – ladder – or scaffold – Wall- or floor-attached

Device for supporting a mechanic in a horizontal position above

Fire escape – ladder – or scaffold – Suspended platform

Device for the arrangement of a personnel-operated apparatus...

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

Device for the ascension and descension of high altitudes

Fire escape – ladder – or scaffold – With extensible vertical and nonvertical sections

Device for the curved displacement of an object in contact with

Fire escape – ladder – or scaffold – Traversing – track-mounted – With vertically spaced second track

Device for the maintenance of large-capacity containers

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

Device for transporting long objects such as a ladder

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

Device for treating exterior surfaces for structures

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

Device for use in carpentry and painting

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

Device for use in climbing or in transporting a mass

Fire escape – ladder – or scaffold – Wall- or floor-attached

Device for use in erecting roof trusses

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

Device suspending a working cage

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

Device with a lifeline

Fire escape – ladder – or scaffold – Miscellaneous

Direction altering device

Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder

Disappearing ladder

Fire escape – ladder – or scaffold – Body catcher – Sheet or net type

Disaster evacuation air cushion

Fire escape – ladder – or scaffold – Stackable

Dismantlable scaffold and a railing adapter for it

Fire escape – ladder – or scaffold – Kit or separable parts

Dismantling ladder

Fire escape – ladder – or scaffold – Self-sustaining

Dismountable facade scaffold

Fire escape – ladder – or scaffold – Self-sustaining

Dismountable facade scaffold