LandOfFree - US Patents - Listing for Flexible or portable closure, partition, or panel,Automatic control,With starting or driving means

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

Door controlling device

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

Failsafe door closing device of a fire proof rolling door

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

Fire door and operator therefor

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

Fire door release mechanism

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 starting or driving means

Mechanism for controlling the raising and lowering of a door

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 – With starting or driving means

Self-closing fire door

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

Self-closing fire door

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

Solar heating drapery opening indcator

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

Solar powered window shade

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

System and method for sealing openings in response to smoke,...