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

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

Clamp for scaffolding planks and method

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

Clamp type ladder wall engaging bracket

Fire escape – ladder – or scaffold – Putlog or spacer

Clamping device

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

Clamping device

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step

Clamping device & mechanics stand for attaching to bumper of mot

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step

Cleat for climbing trees and the like

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

Climb assist system

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

Climber catcher

Fire escape – ladder – or scaffold – Leg or shoe attachable pole climber

Climber comfort and safety pads

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

Climbing aid

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

Climbing aid and safety descent device

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

Climbing aid and safety descent system

Fire escape – ladder – or scaffold – Leg or shoe attachable pole climber

Climbing apparatus

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

Climbing apparatus

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

Climbing apparatus

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

Climbing apparatus

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

Climbing apparatus

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

Climbing apparatus

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

Climbing appliance for roping-up and roping-down operations