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

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

Device for lowering objects and persons by ropes

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

Device for metal roofing protection

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

Device for moving a platform along a facade and building...

Fire escape – ladder – or scaffold – Door and ladder

Device for preventing access to ladders

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Ladder pivotably mounted on transpositioning base

Device for preventing jutting-out of ladder of ladder truck

Fire escape – ladder – or scaffold – With handrail or guard for ladder

Device for preventing unauthorized access to permanent ladders

Fire escape – ladder – or scaffold – Torso harness

Device for providing a temporary anchor connecting point on scaf

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

Device for rescuing persons, objects and the like from...

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

Device for roping down or hoisting persons and/or loads from or

Fire escape – ladder – or scaffold – Ladder – Flexible

Device for securing rope ladder steps

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

Device for small animal escape from a pool

Fire escape – ladder – or scaffold – Combined

Device for storage of a tool

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