133741 ⎘
Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by screw-and-nut mechanisms
Garage Door Opener Having Battery Backup System with Extended Standby Mode
#2LIFT GATES AND RELATED CONTROL SYSTEMS AND METHODS
#3Door System
#4DRUM DRIVE SYSTEM FOR SLIDING WINDOW SASH
#5POWERED SASH DRIVING APPARATUS HAVING A CONNECTION BLOCK
#6Vertical door system with ball screw drive
#7Articulated overhead door systems and methods
#8Drum drive system for sliding window sash
#9Gate with counterweight and lowering exchangeable span
#10Safety enhanced design of rail type garage door opener with over the door drive assembly
#11Garage door opener guard
#12Emergency Garage door arm release
#13GARAGE DOOR POWER MANAGEMENT SYSTEM
#14Shaft joint