LandOfFree - US Patents - Listing for Movable or removable closures

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes

Automatic door opener with magnetic clutch

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes

Automatic door opener with magnetic clutch

Movable or removable closures – Operator interrelated with closure latch release – Motor driven

Automatic door opening and closing device

Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide

Automatic door opening and shutting device

Movable or removable closures – Condition responsive control

Automatic door opening arrangement

Movable or removable closures – Safety means responsive to obstruction to closure – Sensing shoe on leading edge

Automatic door opening arrangement

Movable or removable closures – Optionally moved – manually – or by motor

Automatic door opening device

Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide

Automatic door operating system

Movable or removable closures – Operator interrelated with closure latch release – Motor driven

Automatic door operating system

Movable or removable closures – Operator interrelated with closure latch release – Motor driven

Automatic door operating system

Movable or removable closures – Safety means responsive to obstruction to closure – Closure drive stopping or reversal

Automatic door operating system

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot

Automatic door operator

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot

Automatic door operator

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot

Automatic door operator

Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide

Automatic door operator

Movable or removable closures – Operator interrelated with closure latch release – Motor driven

Automatic door operator

Movable or removable closures – Treadle or impact initiated operator – Switch in approach to closure

Automatic door operator for swing doors

Movable or removable closures – Starter-type operator; e.g. – seal breaker

Automatic door or hood opening arrangement for a motor...

Movable or removable closures – Radiant energy control

Automatic door safety system