Air powered door operator
Anti-drop device
Automatic garage door opener
Automatic garage door opener
Balance control system for a movable barrier operator
Balancing device for a suspended element
Bracket for counterbalanced garage door
Cable control device for sectional overhead door
Cable drive garage door opener
Counteraction system for a sectional door
Counterbalance system cable drum for sectional doors
Counterbalance system for upward acting door
Counterbalance system for upward acting door
Device for actuating a tip-up or sectional door
Device for motorizing an overhead swinging door for a garage or
Door drive of an up and over door, sectional door or sliding doo
Door lifter
Door maneuvering arrangement
Door mounted operating mechanism for an overhead door
Door opener