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

Fire escape – ladder – or scaffold – Ladder – Extension

Extension ladder having an anti-slipping mechanism

Fire escape – ladder – or scaffold – Ladder – Extension

Extension ladder lock

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

Extension ladder pulley system

Fire escape – ladder – or scaffold – Ladder – With spacer means

Extension ladder roof support attachment

Fire escape – ladder – or scaffold – Ladder – With hook or grab

Extension ladder safety adapter

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

Extension ladder shelf

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

Extension ladder with auxiliary extension leg and supporting leg

Fire escape – ladder – or scaffold – Ladder – Slidable nested single rung units

Extension ladder with improved mechanism

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

Extension ladder with ladder leveler means

Fire escape – ladder – or scaffold – Ladder – Extension

Extension ladder, combination end cap/guide bracket, and method

Fire escape – ladder – or scaffold – Ladder – Extension

Extension ladders

Fire escape – ladder – or scaffold – Ladder – Extension

Extension ladders with rotary hook locks

Fire escape – ladder – or scaffold – Pivotally connected ladders – mutually sustaining – Central upright ladder section supported therebetween

Extension trestle ladder

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

Externally concealable, modular high-rise emergency...

Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support

Extruded aluminum plank for scaffold

Fire escape – ladder – or scaffold – Stackable

Facade scaffold

Fire escape – ladder – or scaffold – Torso harness – With pole encircling or grasping means

Fall arrest belt assembly

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

Fall arrest bypass device and method for using same

Fire escape – ladder – or scaffold – Torso harness – With pole encircling or grasping means

Fall arrest device