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| Number | Title | Issue Date |
| 8091604 | Broadcast-receiving automatic window covering An apparatus and method for the automatic adjustment of window coverings and the like, receiving externally-broadcast time-and-date signal as a temporal reference for making scheduled adjustments to the window covering. One embodiment comprises an antenna, a convent... | 01/10/2012 |
| 8069896 | Method and apparatus for driving a roller shutter door The present invention is a method and apparatus for driving a roller-shutter door having a drive mechanism. The method comprises the activation of a circuit in response to an external stimuli to a switch. This actuates a timer and raises a timing bar. A cable passes... | 12/06/2011 |
| 7315146 | Blind device with orientable slats The motorized blind (4) device (1) with orientable slats (5) comprises an orders transmitter (2) and an orders receiver (6) which is attached to the motorized blind, the orders transmitter (2) comprising a first control inte... | 01/01/2008 |
| 7299847 | Fire door control system and method A fire door control system permits user input during regular use and during alarm conditions. The system utilizes primary and secondary power sources and incorporates a variety of preventive safeguards assuring that functionality of the fire door control system will... | 11/27/2007 |
| 7275631 | Engaging/disengaging fail-safe door closing device for rolling fire door and door machine having same There is disclosed an engaging/disengaging fail-safe door closing device for a rolling fire door, provided between a power device and a speed reducing device of a door machine, including an electromagnet fixed inside a housing of the door machine and disposed around... | 10/02/2007 |
| 7152652 | Load detection system for motorized lateral and vertical arm awnings A load detection system for lateral and vertical arm awnings generally includes a motorized roller with a fabric wound thereabout in a retracted position and extendable therefrom. Arms are provided for supporting the fabric in an extended position and at least one s... | 12/26/2006 |
| 7151450 | Door with a safety antenna A door system includes an antenna-based proximity sensor with a releasable electrical connector that enables the sensor to function with a breakaway feature of the door. The sensor includes a signal generator and a door-mounted antenna for sensing a body or an obstr... | 12/19/2006 |
| 7107126 | Method of determining a shading and ventilation position for a roller band A method and apparatus for determining a shading and ventilation position of a a roller blind. The method including steps of identifying the final slat position in which the bottom slat is at the limit of contact with the bottom end stop of the blind, assigning to t... | 09/12/2006 |
| 7079364 | Overload status indicator for a refrigeration unit A compressor assembly comprises a compressor, a motor protector, and a signaling device. Upon an overload condition, the motor protector activates. The signaling device also activates to serve as an alert that the compressor is not malfunctioning but instead is in a... | 07/18/2006 |
| 7066297 | Automatic door and method of operating same An automatic door and method of operating the same. The door includes a first processor which may be located proximate a leading movable edge of the door and a second processor which is remotely located from the first processor. The first and second processors are o... | 06/27/2006 |
| 7034682 | Door with a safety antenna A door system includes an antenna-based proximity sensor with a releasable electrical connector that enables the sensor to function with a breakaway feature of the door. The sensor includes a signal generator and a door-mounted antenna for sensing a body or an obstr... | 04/25/2006 |
| 7014355 | Electronic parking meter system The field of the present invention is parking meters and more particularly to the use of electronically operated parking meters coupled with a sensor for positively sensing unobtrusively the presence or absence of a vehicle in a specified parking space controlled by... | 03/21/2006 |
| 6964289 | Industrial door system responsive to an impact An impact sensing system for a powered roll-up door combines an electrical switch and a breakaway coupling. To avoid damage or injury resulting from the door's roll-up curtain accidentally closing upon an obstacle or something striking the curtain, the breakaway cou... | 11/15/2005 |
| 6959748 | Apparatus for covering an opening in a building A storm protector (20) to be attachable over a window (21) or other opening of a building (22) includes a header (26), a bottom sill (25) and side frames (23, 24) extending between the ends of the header (26) and the ... | 11/01/2005 |
| 6942001 | Magnetic sealing apparatus for portal covering An apparatus comprising a magnetic sealing system for urging opposing sides of a cover toward the lateral margins of a portal to promote sealing of the sides of the cover to the lateral margins of the portal. The magnetic sealing system biases the opposing ends of a... | 09/13/2005 |
| 6924730 | Fire door control system and method including periodic system testing A fire door control system permits user input during regular use and during alarm conditions. The system utilizes primary and secondary power sources and incorporates a variety of preventive safeguards assuring that functionality of the fire door control system will... | 08/02/2005 |
| 6923238 | Multi-panel door with an auxiliary drive mechanism A multi-panel sliding door includes a main drive to directly move a leading door panel and includes an auxiliary drive to smoothly accelerate a lagging door panel. In some embodiments, the auxiliary drive includes a hanging weight that urges the lagging panel to its... | 08/02/2005 |
| 6918623 | Protective device for a motor vehicle A protective device for a motor vehicle comprising a flat sheet which is movably supported between a compactly rolled-up rest position and a pulled-out deployed position, which flat sheet is supported over its pull-out path in guideways in the sides of the vehicle. ... | 07/19/2005 |
| 6732018 | Awning assembly and control system This invention relates to a retractable and extendable awning and control system for automatically extending and retracting the awning. A front of an awning fabric is attached to a front bar, movably mounted on a wall of a building by retractable arms. A rear of the... | 05/04/2004 |
| 6678601 | Motor speed-based anti-pinch control apparatus and method with rough road condition detection and compensation A powered panel control apparatus and method using an electric motor with a rotatable armature. The control generates time periods for a predetermined amount of angular rotation of the motor armature during one complete rotation. An average time period is... | 01/13/2004 |
| 6662848 | Automatic door and method of operating same An automatic door and method of operating the same. The door includes a first processor which may be located proximate a leading movable edge of the door and a second processor which is remotely located from the first processor. The first and second proce... | 12/16/2003 |
| 6615894 | Self-closing single-sided accordion fire door An accordion fire door is provided including an accordion member having interlocking panels formed of a fire retardant or fire proof material, a guide member positioned on at least one side of the accordion member for guiding the accordion member during m... | 09/09/2003 |
| 6605910 | Method and device for setting custom door travel limits on a motorized garage door operator A door operator and related method of setting custom limits on movable barrier travel, includes a motor for moving the movable barrier between two travel limit positions, an operator for controlling operation of the motor, and a disconnect system coupled ... | 08/12/2003 |
| 6598648 | Industrial door system responsive to an impact An impact sensing system for a powered roll-up door combines an electrical switch and a breakaway coupling. To avoid damage or injury resulting from the door's roll-up curtain accidentally closing upon an obstacle or something striking the curtain, the br... | 07/29/2003 |
| 6305457 | Disengageable rolling door drive A rolling door drive assembly including a final drive unit for connection to a door, whereby the door may be rotated by the final drive unit about an axis to open and close the door, a motor, a drive between the final drive unit and the motor operatively ... | 10/23/2001 |
| 6243006 | Safety device for motor-operated systems A safety device for externally driven systems for protecting the movement of a system component against undesired collision with an object lying in the movement path of the system component is described, the system component to be monitored being capable ... | 06/05/2001 |
| 6206073 | Safety system for use with a grain bin A safety system for reducing the risk of a suffocation accident occurring in a grain bin is disclosed. The disclosed safety apparatus includes an electrical switch in circuit with the motor of an auger mounted in the grain bin for discharging grain theref... | 03/27/2001 |
| 6201364 | Motorized window shade system An elongated reelable shade, first and second spaced support brackets removably connected to first and second and opposite ends of said elongated reelable shade for supporting said reelable shade from a fixed support, an electrical drive motor having an o... | 03/13/2001 |
| 6155324 | Apparatus and method for operating a door A method and apparatus according to various aspects of the present invention is configured to automatically reset a rollable fire door curtain in the raised position. In one embodiment, a brake is coupled to a rolling fire door axle by an electromechanica... | 12/05/2000 |
| 6145571 | Rolling barrier A rolling barrier including a curtain formed of fabric or other material that rolls onto and off of a tube preferably disposed above a doorway or opening to, respectively, block and unblock the opening, the edges of the curtain are received within guidewa... | 11/14/2000 |
| 6116324 | Rolling door drive and mounting assembly A rolling door drive and mounting assembly including: a chassis; a final drive unit mounted to the chassis for rotation about an axis of rotation for driven connection to a door for rolling the door about a door mounting axle; a motor and drive, together ... | 09/12/2000 |
| 6100659 | Motorized window shade system An elongated reelable shade, first and second spaced support brackets removably connected to first and second and opposite ends of said elongated reelable shade for supporting said reelable shade from a fixed support, an electrical drive motor having an o... | 08/08/2000 |
| 5967697 | Flood control gate safety device A flood gate structure incorporating a safety device thereon to prevent harm through crushing or trapping of animals, such as manatees by the flood gate when passing into its closed position. An object sensor, along with an override sensor assembly, are p... | 10/19/1999 |
| 5848634 | Motorized window shade system An elongated reelable shade, first and second spaced support brackets removably connected to first and second and opposite ends of the elongated reelable shade for supporting the reelable shade from a fixed support, an electrical drive motor having an out... | 12/15/1998 |
| 5845692 | Rapid access portal A rapid access door system is provided wherein authorized individuals may pass through the door system and wherein unauthorized individuals are blocked from entering a secured area past the doors and are automatically rerouted to an unsecured area for fur... | 12/08/1998 |
| 5809699 | Fire curtain A fire curtain has its top fixed to a top framework of a building, the frwork including arrangements for spraying a fluid onto the curtain having two walls fastened together along its bottom and its vertical sides. The fluid spraying arrangements spray a... | 09/22/1998 |
| 5782690 | Curtain fire damper A damper door system that includes an opening in a planar wall, a retractable damper door and a track extending through said opening. The damper door includes slots that are conformable to the track when the door is in a closed position. In addition, the ... | 07/21/1998 |
| 5706875 | Mechanism for detecting an obstacle preventing the proper operation of a roller-type door with sectional shutters A mechanism for detecting an obstacle preventing the proper operation of a sectional shutter of a warehouse-type door which includes a detection member mounted in the vicinity of a horizontal shaft around which the sectional shutter is wound by the operat... | 01/13/1998 |
| 5605185 | Fire door system A fire door system comprising first and second fire door assemblies each assembly including a fire door, a temperature sensing device and an operator. The operators of each of the assemblies are electrically interconnected such that when the fire doors si... | 02/25/1997 |
| 5542460 | Self-closing fire door The present invention is provided with a mechanism for controlling the opening and closing of a door comprising a speed reduction means for reducing a rotational speed. A high speed shaft is connected to the speed reduction means and is connectable to a m... | 08/06/1996 |
