LandOfFree - US Patents - Listing for Flexible or portable closure, partition, or panel,Automatic control

Flexible or portable closure – partition – or panel – Automatic control – Nonfusible thermal initiator

Heat responsive memory metal actuator

Flexible or portable closure – partition – or panel – Automatic control – With starting or driving means

Hold and release mechanism for a fire door spring tension adjust

Flexible or portable closure – partition – or panel – Automatic control – With retarding means

Hydraulic governor device for use with a rotational shaft,...

Flexible or portable closure – partition – or panel – Automatic control

Industrial door system responsive to an impact

Flexible or portable closure – partition – or panel – Automatic control

Industrial door system responsive to an impact

Flexible or portable closure – partition – or panel – Automatic control

Latch plate

Flexible or portable closure – partition – or panel – Automatic control – Nonthermal automatic initiator

Load detection system for motorized lateral and vertical arm...

Flexible or portable closure – partition – or panel – Automatic control – With starting or driving means

Mechanism for controlling the raising and lowering of a door

Flexible or portable closure – partition – or panel – Automatic control – With retarding means

Mechanism for detecting an obstacle preventing the proper operat

Flexible or portable closure – partition – or panel – Automatic control

Metered shade

Flexible or portable closure – partition – or panel – Automatic control

Method and apparatus for driving a roller shutter door

Flexible or portable closure – partition – or panel – Automatic control – With retarding means

Method and apparatus for regulating the closing speed of a rolli

Flexible or portable closure – partition – or panel – Automatic control – Nonthermal automatic initiator

Motor-driven roller blind

Flexible or portable closure – partition – or panel – Automatic control

Motorized smoke and fire damper

Flexible or portable closure – partition – or panel – Automatic control – With starting or driving means

Positional control device for sectional doors

Flexible or portable closure – partition – or panel – Automatic control – With starting or driving means

Rolling door assembly having pass door arrangement

Flexible or portable closure – partition – or panel – Automatic control – With starting or driving means

Rolling fire door

Flexible or portable closure – partition – or panel – Automatic control – Nonfusible thermal initiator

Rolling fire door including a door hold-open/release system

Flexible or portable closure – partition – or panel – Automatic control

Safety device, particularly for roll-up doors