Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 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 |
| 7110916 | Method and device for remotely monitoring watch information for maintenance of hinge A method and a device for remote monitoring supervisory information about maintenance of a hinge are provided that are capable of improving efficiency of periodical inspection and maintenance of a hinge and capable of preventing inconvenience and a trouble of the hi... | 09/19/2006 |
| 7095322 | Magnetically operated door-open indicator In accordance with the present invention, the rear roll-up, truck-door indicator is a magnetically operated indicator which is visible to the truck driver by simply looking into the driver's rear view mirror. The invention relates to a rear roll-up, truck-door open-... | 08/22/2006 |
| 7057360 | Motor assembly for folding/unfolding foldable screen A motor assembly for driving a foldable screen includes an inner tube, a motor device mounted in the inner tube and including a DC motor, an outer tube mounted around the inner tube, a control device, and a connecting device mounted to an end of the inner tube. A sc... | 06/06/2006 |
| 6998977 | Method and apparatus for monitoring a movable barrier over a network An apparatus comprising a movable barrier operator for controlling the movable barrier; and a network interface electronically connected to the movable barrier operator for connecting the movable barrier to a network; wherein the network board sends a status of the ... | 02/14/2006 |
| 6358137 | Laboratory fume hood control apparatus having rotary sash door position sensor A fume hood control apparatus for controlling the flow of air through the fume hood in a manner whereby the effective size of the total opening to the fume hood, including the portion of the opening that is not covered by one or more sash doors will have ... | 03/19/2002 |
| 6346889 | Security system for automatic door A system and device for insuring the integrity of an automatic garage 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 activating a... | 02/12/2002 |
| 6070361 | Garage door operating system and method of operating a garage door A garage door operating system which includes a garage door, framing along which the garage door is positioned and travels between non-closed and closed positions, a signal generator which transmits a closed and or non-closed signal depending upon the pos... | 06/06/2000 |
| 5898365 | Device for checking the closed state of a door mounted on an object, especially on a motor vehicle The invention relates to a device for checking the closed state of a door mounted on an object (1), especially on a motor vehicle, by using an electronic key (2). The electronic key (2) and the object (1) are each fitted with intercommunicating transmitte... | 04/27/1999 |
| 5489938 | Television conference apparatus including a material picturing device An apparatus for television conference is disclosed which includes a material picturing device and has a minimized overall size. A main camera device taking a picture of a conference, a main monitoring device outputting a picture and voice sound, a voice ... | 02/06/1996 |
| 5003290 | Integrated alarm and access control system An integrated alarm and access control system includes an access control package, an intrusion detection package and an interface unit. A position sensor determines if a door is open or closed and an electrically activated locking device locks the door in... | 03/26/1991 |
| 4937556 | Window guard monitoring system and guard A window security system including a door disposed over a window and moveable between a closed position and an open position. The door may be selectively locked in the closed position by an electrically actuated lock. The system further includes a smoke d... | 06/26/1990 |
| 4916267 | Door closer position monitor A door closer mechanism that controls the opening and closing swing of a door, in conjunction with an integral switch that electrically signals when the security of the closed door has been violated by partially opening the door. The device is especially ... | 04/10/1990 |
| 4849735 | Radio controlled safety stop system for forklift trucks Presented is a radio controlled safety stop system for forklift trucks including a transmitter mounted above a doorway in a warehouse or other building in such a way that a radio signal is continuously transmitted by the transmitter when the door is close... | 07/18/1989 |
| 4835905 | Door position indicator for a door closer A door position indicator for a door closer which senses the position of a door closer piston as a means of sensing door position. The door closer and hence the door position indicator may be recessed in the door jamb over the top edge of the door thereby... | 06/06/1989 |
| 4796945 | Agricultural wagon protective cover An agricultural wagon protective cover as set forth formed of relatively rigid material such as reinforced fiber glass. The invention maintains its geometric integrity throughout its working environment. Formed with a single open hatch or alternatively of... | 01/10/1989 |
| 4750294 | Safety mechanism for power operated door A safety mechanism for a power operated door activates limit switches for stopping an electric motor or reverses it's polarity. The safety mechanism is more compact than existing types of mechanisms and is suitable for friction drive roller garage door op... | 06/14/1988 |
| 4722151 | Airtight door assembly There is provided a new and useful airtight door assembly comprising a door; an inflatable seal disposed around the perimeter of the door and including means for connecting the seal to a compressed fluid supply; a pneumatic door locking device including m... | 02/02/1988 |
| 4652862 | Surveillance and control system for emergency exists installed in a building A building has at least one security guard post to control the secured building exits, each of which has an unlocking instrumentality, without forbidding their emergency use. When activating the unlocking instrument to open a secured exit, there is a tran... | 03/24/1987 |
| 4583081 | Status indicator system for a radio-controlled door operator A door operator system includes up and down limit switches actuated to the closed position when the door reaches the up and down travel limits. A processor circuit within the operator is connected to the limit switches for ascertaining the position of the... | 04/15/1986 |
| 4562664 | Door position monitor with automatic adjustment There is disclosed a door position monitoring assembly for a security door installation wherein the assembly can be adjusted and preset from the exterior of the assembly. In this regard, the monitoring assembly includes a base member with switching means ... | 01/07/1986 |
| 4533905 | Indicating means for a door operator device Door operator device comprising an indicator that the door is in either fully opened or fully closed condition, including a drive for moving the door to these positions in response to operation of an initiator connected therewith. The device includes a sw... | 08/06/1985 |
| 4346372 | Window operator with switch to operate a burglar alarm A conventional roto-gear window operator for a casement or awning window, or the like, is provided with an alarm switch. The alarm switch consists of a conductive wire which is connected to a remote alarm package and is insulated from the base of the oper... | 08/24/1982 |
| 4334388 | Door position monitoring assembly There is disclosed an improved door position monitoring unit for use in a security door installation. The unit includes track means for mounting with respect to a horizontal edge of a door and movable therewith, a circuit component such as a switch mounte... | 06/15/1982 |
| 4010571 | Automatic loading dock A loading dock assembly adapted to be included in a building comprising an automatic control means for opening and closing the loading dock door, automatically raising and lowering the dock ramp to a proper position, as well as automatically turning on an... | 03/08/1977 |
