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

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

Retractable scaffold support

Fire escape – ladder – or scaffold – Wall- or floor-attached – Retractable or collapsible beneath floor – track-mounted

Retractable step having additional step stored therein

Fire escape – ladder – or scaffold – Horizontal traversing - actuation – control – or response

Retractable suspended scaffolding on a self-propelled truck, par

Fire escape – ladder – or scaffold – Wall- or floor-attached – Retractable or collapsible beneath floor – track-mounted

Retractable telescopic boat ladder

Fire escape – ladder – or scaffold – Automatic control

Retractable transit coach step

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

Retractable walk-in swimming pool ladder

Fire escape – ladder – or scaffold – Combined

Reusable quickly assembled and quickly knocked down work support

Fire escape – ladder – or scaffold – Wall- or floor-attached – Retractable or collapsible beneath floor – track-mounted

Reversible folding ladder

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support

Revolving block for high place working vehicle

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

Rigid rail fall protection apparatus having bypassable...

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

Rigid rail safety device

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

Rigid tree seat

Fire escape – ladder – or scaffold – Ladder with pivoted prop

Rigidified step ladder

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber

Robotic centering device

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

Roll-up stablizer

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

Roll-up tree seat

Fire escape – ladder – or scaffold – Combined

Roller accessory for ladder

Fire escape – ladder – or scaffold – Ladder – Extension

Roller assembly for a ladder

Fire escape – ladder – or scaffold – Combined

Roller attachment for ladders