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

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

Observation and hunting stand with safety platform

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

Observation platform

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

Observation stand

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

Observation stand

Fire escape – ladder – or scaffold – Ladder and platform

Observation stand

Fire escape – ladder – or scaffold – Wall- or floor-attached – Single pole or strand

Offshore platform access rope

Fire escape – ladder – or scaffold – With indicator – signal or alarm

One piece leg

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

Operation control mechanism of lifting apparatus

Fire escape – ladder – or scaffold – Platform with elevating or lowering means – Operating means on platform

Operator-actuated elevating device

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

Orbital service bridge

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

Orchard lifts

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

Outdoor seat cushion for use with an elevated wild game...

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

Outlook ladder seat

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

Outrigger assembly for a mobile telescopic belt conveyor

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

Outrigger assembly for supporting a platform adjacent a work...

Fire escape – ladder – or scaffold – Self-sustaining

Outrigger for scaffolding

Fire escape – ladder – or scaffold – With indicator – signal or alarm

Overhead impact sensing system

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

Overhead platform elevation device