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| Number | Title | Issue Date |
| 7372225 | Barrier operator with flexible drive member A motorized operator for moving a barrier, such as an upward acting garage door, between open and closed positions includes a support mounted adjacent one of a pair of barrier guide tracks or along a barrier counterbalance shaft and a drive mechanism mounted on the ... | 05/13/2008 |
| 7337016 | Door operator console A console or controller unit for a garage door operator includes a message recording and playback device. The console unit may be wall mounted or configured as a remote transmitter type unit and includes a molded light transmitting switch actuator part mounted on a ... | 02/26/2008 |
| 7298107 | Barrier operator controller with user adjustable force setpoint A control unit for a moveable barrier, such as a garage door, includes a microcontroller connected to a motor speed detector, motor current sensor or a sensor for determining forces exerted on or by the barrier. A user interface includes user actuatable switches for... | 11/20/2007 |
| 7296607 | Side mount counterbalance system for upward acting door A counterbalance system for an upward acting door includes a cable drum support shaft and a torsion spring drive mechanism mounted adjacent one or both sides of the door and drivably connected to the drum support shaft. The spring drive mechanism includes a torsion ... | 11/20/2007 |
| 7261139 | Manual operating mechanism for upward acting door An upward acting door, such as a flexible curtain rollup door, is moveable between open and closed positions by an electric motor drive unit wherein the motor has a drive shaft with an external drive tang for engagement with a hand crank member. The crank member is ... | 08/28/2007 |
| 7231953 | Rollup door with direct connected drive motor unit A flexible curtain rollup door includes a drum mounted on a door frame and drivenly connected to an electric right angle gear motor unit. The frame includes opposed channel shaped guide tracks for receiving opposed side edges of a door curtain. Spaced apart elastica... | 06/19/2007 |
| 7228659 | Sliding door reinforced frame header with movable cover A sliding door includes a frame comprising an elongated header member having a topwall, a backwall, an intermediate wall and a bottom wall. The bottom wall and intermediate wall are engageable with sliding door panel support rollers and the bottom wall and intermedi... | 06/12/2007 |
| 7194412 | Speech activated door operator system A barrier operator system, such as a garage door operator system, includes one or more remote control units, such as an inside remote control unit, an external wall mounted remote control unit and portable vehicle disposed remote control units which include speech r... | 03/20/2007 |
| RE39504 | Counterbalance system for upward acting door A counterbalance system for an upward-acting door includes spaced-apart wall brackets and cable drums supported on the brackets and connected to flexible cables which depend from the drums and connected to the lower side edges of an upward-acting sectional garage do... | 03/13/2007 |
| 7180260 | Barrier operator controller with user settable control limits when entrapment device present A barrier operator includes a drive motor and a controller for causing the motor to move the barrier between open and closed positions and for monitoring parameters related to forces acting on the barrier during movement thereof. If no external entrapment device is ... | 02/20/2007 |
| 7042341 | Device including light emitting diode as light sensor and light source A battery operated controller for a door operator includes a keypad backlit by a light emitting diode operably connected to a microcontroller which also controls operation of the controller. The microcontroller periodically measures ambient light as sensed by the li... | 05/09/2006 |
