Class 49/29 - TIME CONTROLLED

Subclass of Class 49 - Movable or removable closures
Definition: Device provided with a means for measuring or determining
No. of patents: 38
Last issue date: 03/11/2008

Number	Title	Issue Date
7342368	Automated garage door closer An automated garage door closing device for a remote controlled overhead garage door wherein the device is mounted on one of a pair of parallel tracks receiving rollers suitably mounted on the outer edges of the door panels, the device including a switch housing con...	03/11/2008
7315143	Operating system utilizing a selectively concealed multi-function wall station transmitter with an auto-close function for a motorized barrier operator An operating system which utilizes a multi-functional wall station for a motorized barrier includes an operator for controlling movement of a barrier between various positions. The operator may receive signals from a wireless or wired wall station transmitter, a wir...	01/01/2008
7198484	System to automatically extinguish a candle A system and method provide a container holding a candle, a covering portion that can cover an opening of the container holding the candle, a device that automatically extinguishes the candle utilizing the covering portion and an attachment portion shaped to fit aro...	04/03/2007
7187146	Opening-and-closing control device An opening-and-closing control device is disclosed, in which speed of an opening-and-closing body can be increased even while automatic operation is performed. The device includes an operation knob that performs opening-and-closing control of an opening-and-closing ...	03/06/2007
7173516	Operating system for a motorized barrier operator An operating system which utilizes a multi-functional wall station for a motorized barrier includes an operator for controlling movement of a barrier between various positions. The operator may receive signals from a wireless or wired wall station transmitter, a wir...	02/06/2007
7173542	Data relay for casing mounted sensors, actuators and generators A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a downhole receiver coupled to a well casing and a transmitter coupled to the ...	02/06/2007
7121042	Door assembly for sealing a chamber A door assembly providing an airtight seal for a chamber. The door assembly includes a link assembly that allows a door to move inward toward a gasket sealing an opening into the chamber. ...	10/17/2006
7038409	Operating system utilizing a delay-open function for a motorized barrier operator An operating system which utilizes a multi-functional wall station for a motorized barrier includes an operator for controlling movement of a barrier between various positions. The operator may receive signals from a wireless or wired wall station transmitter, a wir...	05/02/2006
7024819	Automatic door closing device A system includes a transmitter, a receiver, and a processor. The processor detects a trigger event. In response to the trigger event, the transmitter transmits a detection signal. If the receiver receives a reflected detection signal, the processor determines that ...	04/11/2006
6737968	Movable barrier operator having passive infrared detector A wall control unit for a movable barrier operator sends baseband signals over a wire connection to a head unit of a movable barrier operator to command the movable barrier to perform barrier operator functions. The wall control unit has a wall control unit port for...	05/18/2004
6533003	Ice dispenser duct door mechanism A method of controlling a dispenser duct door, including positioning an upper side of the door, in a closed position, in a door-opening direction, and rotating a bottom end of the door to a partially open position vertically under the upper side of the do...	03/18/2003
6452353	System for detection of obstructions in a motorized door system Method of detecting obstructions encountered by a motorized door. The method includes providing a signal processor with one or more signals indicative of a predetermined door trajectory profile for at least a segment of a stroke of the door, the door traj...	09/17/2002
6445152	Door control system Method of controlling a motorized door by offloading the burden to a separate motion control processor. The method includes generating, in a central processor for the door, one or more signals indicative of a predetermined door speed profile for a stroke ...	09/03/2002
6387332	Safety system A safety system for a gas process or facility for measuring the concentration of a specified gas in an area or chamber and determining whether it is safe to allow access to such area or chamber. In particular, the safety system is adapted for use in a gas...	05/14/2002
6212825	Safety crossing gate The safety crossing gate for a railway crossing of the present invention includes a secondary gate rotatably mounted or mountable to a primary crossing gate. The secondary gate is a rigid elongated member having first and second opposite ends. The second ...	04/10/2001
6062368	Automatic bottom-hinged intake door An automatic chute closure for covering a chute opening wherein the chute closure includes a frame disposed around a chute opening, a chute door pivotally connected to the frame for movement between an opened and closed position, a door movement mechanism...	05/16/2000
6046562	Security system for automatic door A system and device for insuring the integrity of an automatic door has a sensor to determine the status of the door with respect to a predetermined position and a programable actuator which provides a positive signal for automatically moving the door to ...	04/04/2000
5932982	Apparatus for automatically opening a lid A trash enclosure includes a bay with a moveable lid and a sensor attached to the inner periphery of the bay. The moveable lid attaches to the enclosure and moves between an open position and a closed position to cover the bay. Upon detection of an object...	08/03/1999
5802766	Method and apparatus for controlling automatic opening and closing of window of driver's cab of working vehicle A method and apparatus is provided for controlling the automatic opening and closing of a window of the driver's cab of a working vehicle in which the automatic opening and closing operations and locking operation of the window are carried out smoothly by...	09/08/1998
5789887	Automatic door A memory system for an automatic door, the memory system being capable of recording for a specified length of time all relevant operational parameters according to the first-in/first-out principle....	08/04/1998
5752343	Universal garage door closer An add-on control device is shown that is used in conjunction with existing garage door opener systems. The device includes an electronic control device that will automatically close the door if left open, or can be programmed to stay open, and will autom...	05/19/1998
5458776	Sand dewatering centriguse A centrifuge for dewatering a fluent aggregate material such as sand. Sand slurry is conducted into a rotating cylindrical drum which has a perforated lateral wall against which a screen is placed. The drum is oriented with the axis disposed vertically. W...	10/17/1995
5398448	Apparatus closing mechanism, particularly for film welding devices The welding frame (3) of a film-welding device (2) is at the start of its pivoting movement motor-driven in positive manner over a few radians and is then released from the drive, so that only on the basis of its flywheel energy and weight force is it mov...	03/21/1995
5372401	Sliding roof for an automobile A sliding roof includes a light transmitting sliding sunroof and a light isolating sliding sunshade disposed beneath the sunroof. The light transmitting sliding sunroof opens a roof opening only while the light isolating sliding sunshade is in its open po...	12/13/1994
5371447	Repositioning system Apparatus and methods for positioning a drape covering for a window comprise an electric stepper motor and an automated control for actuating the electric stepper motor to move the drape to any selected position at any selected time and in any selected se...	12/06/1994
5347755	Automatically actuated door arrangement An automatically actuated door arrangement is provided. The arrangement includes a plurality of slidable doors which are opened and closed by an electric motor/cable arrangement. Open and close switches control the opening and closing of the doors. A sens...	09/20/1994
5226256	Window system for a building A window system is proposed in which windows (41) which can be both locked and tilted mechanically are connected via microprocessors (43) to a monitoring center (49) which can display the locking and closure status of the individual windows (41) via visua...	07/13/1993
5159203	Safety circuit for flywheel masses or machine parts that are driven by electric motor and can be braked or arrested electrically In safety circuits for braking or arresting devices (7) of flywheel masses or machine parts, especially a revolving door, which are driven by electric motor and can be switched on electrically, in which at least one of two edges moving toward each other i...	10/27/1992
4981084	Transit car door system and operation A computer assisted transit car door operating system for augmented automation of transit car door panel operation while providing safety provisions to restrain rail movement unless all passage doorways are closed. A programmable logic controller generate...	01/01/1991
4658545	Automatic door opener and closer In a door opening and closing apparatus a reversible drive motor and door actuator are mounted in the framing above a door header. The vertically disposed drive shaft of the motor is connected with the door actuator through a friction clutch equipped driv...	04/21/1987
4653229	Holding installation for double doors A holding installation with an integrated closing sequence regulation is described for double doors comprising a leading door which is the first to close and a trailing door which then closes. The hydraulic door closer associated with the trailing door is...	03/31/1987
4614057	Automatic operating system and method for swinging doors An automatic mat-activated operating system for swinging doors provides approach circuitry for opening the doors when an approach mat at the entrance side of the doorway is activated and override safety circuitry for stopping door opening movement and ret...	09/30/1986
4581849	Revolving door control A motor drive and control system is set forth for use with revolving doors. To operate the door and revolve the revolving door panels a motor is coupled to the revolving door shaft. The motor is of the d-c type having a fixed, permanent magnet and a rotat...	04/15/1986
4348835	Automatic door opening device An auxiliary door opening device comprises an extendible motor driven rotatable output shaft that engages and rotates a pivot shaft of a conventional door closing mechanism. The pivot shaft is drivingly connected to a pair of pivotally connected arms of t...	09/14/1982
4092575	Apparatus for automatically controlling the operation of automatic door Apparatus for automatically controlling the operation of a reciprocable door between its closed and opened positions. A position sensing means is provided for sensing the position of the door during its opening and closing strokes to decelerate the speed ...	05/30/1978
4089436	Refrigerator ice door mechanism A refrigerator ice door mechanism having improved structure for controlling the outlet opening of a delivery chute provided for deliverying ice pieces from an ice maker within the refrigerator to an access space in the front of the door with minimum openi...	05/16/1978
4067144	Method of driving door of automatic door assembly A method of driving a door of an automatic door assembly by a linear motor mounted within the automatic door assembly. The method comprises the steps of driving the door by a normal propulsion force of the linear motor and then driving the door by an adde...	01/10/1978
3981248	Timing gate for ski-lifts A timing gate adapted to admit passengers to a chair ski-lift loading area is synchronized with the lift to allow passengers in the required number to approach crossing the path of the chairs around the lower bullwheel. At a timed interval after a chair h...	09/21/1976

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Class 49/29 - TIME CONTROLLED