LandOfFree - US Patents - Listing for Fire escape, ladder, or scaffold,Having transpositioning base and erecting means

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

Adjustable-width scaffold

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

Aerial extension ladder

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

Aerial life saver combine

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

Aerial lifting equipment

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

Aerial platform having boom mounted pipe holder

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

Aerial work apparatus

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Erecting means actuated by lazy tong

Aerial work platform apparatus with anti-tipping supplement

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – And platform elevatable relative to its support

Aircraft non-ambulatory/ambulatory boarding and off-loading...

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

Airport bridge people lift

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

Apparatus for elevating and lowering scaffolding

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

Apparatus for inspecting the underside of bridges

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

Apparatus for lining a furnace

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

Apparatus for wall timbering of drifts, tunnels, and the like

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

Articulated aerial lift

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

Articulated parallelogram boom assembly synchronization device

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

Boat bow ladder assembly

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

Bridge bottom inspection apparatus

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

Bridge cleaner and paint/debris holder apparatus

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

Bridge construction machinery and method for constructing bridge