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

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

Insulated boom structure for telescoping aerial lift

Fire escape – ladder – or scaffold – Door and ladder

Insulating cover for pull down stair

Fire escape – ladder – or scaffold – With insulation – Fire or heat shield

Insulating enclosure for a ceiling opening

Fire escape – ladder – or scaffold – With insulation

Insulating enclosure for disappearing stairway

Fire escape – ladder – or scaffold – With insulation – Fire or heat shield

Insulation cap for disappearing stairwells

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

Insulator climbing support

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

Integrated support device and method

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

Interior fire escape chute for a building

Fire escape – ladder – or scaffold – Platform

Interlocking scaffold plank

Fire escape – ladder – or scaffold – Stackable

Intermediate scaffold member join

Fire escape – ladder – or scaffold – Torso harness

Iron worker's seat protector and gripping device

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

Isolation mechanism for electrically isolating controls of...

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

Isolation mechanism for electrically isolating controls of...

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

Isolation mechanism for electrically isolating controls of...

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

J. C. life ladder

Fire escape – ladder – or scaffold – Single stile – strand or pole – Flexible

Jamming device for rope and alike

Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse

Jaw horse assembly and method

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

Jib assembly

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Collapsible ladder

Joint for an articulated ladder