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| Number | Title | Issue Date |
| 5583483 | Method for tire pressure warning Method for tire pressure warning in a motor vehicle in which, instead of direct pressure measurement, the tire pressure is monitored indirectly by recording the dynamic rolling circumference of the tire and, in this way, to dispense with sensors, in parti... | 12/10/1996 |
| 5578983 | School bus safety device and method of use A safety device for mounting on school buses is provided. The device includes light assemblies so as to be visible in their on and flashing modes only within certain horizontal arcs which describe certain areas parallel to and in front of school buses. Sc... | 11/26/1996 |
| 5570127 | Video recording system for passenger vehicle A passenger vehicle video recording system for recording passengers on a passenger vehicle as well as passing traffic. The preferred embodiment of the passenger vehicle video recording system includes two video cameras wherein one video camera is mounted ... | 10/29/1996 |
| 5510764 | Device for detecting school bus stop arm violations The present invention relates to a device for detecting and identifying school bus stop arm violations. The device includes a sensor positionable on a school bus for detecting the presence of a moving vehicle in a violation zone adjacent to the school bus... | 04/23/1996 |
| 5493269 | Vehicular safety sensor and warning system A safety sensor and warning system, for use in combination with a motor vehicle, has sensors for determining if personnel are present in one or more predetermined danger zones proximate to the vehicle, during times when the vehicle is undergoing the loadi... | 02/20/1996 |
| 5467071 | Audiovisual safety warning kit An audiovisual safety warning kit for use with a vehicle includes lighting for mounting to the vehicle to produce a visual safety warning and to illuminate the ground adjacent to the vehicle. The kit further includes a device which stores audio safety pro... | 11/14/1995 |
| 5406250 | Apparatus for operating a school bus safety device A stop sign and/or crossing arm deployment system is secured to a side and/or the front, respectively of a school bus for deploying a safety stop sign and/or crossing arm between a retracted normal state and a deployed safety state. A dual power circuit i... | 04/11/1995 |
| 5406251 | Air operated pivoting safety apparatus for vehicle A pivoting safety apparatus is adapted for mounting on a motor vehicle. The safety apparatus comprises a housing for mounting on the motor vehicle and a safety device pivotally coupled with the housing for movement about an axis between a retracted positi... | 04/11/1995 |
| 5382953 | Device for detecting school bus stop arm violations The present invention relates to a device for detecting and identifying school bus stop arm violations. The device includes a sensor positionable on a school bus for detecting the presence of a moving vehicle in a violation zone adjacent to the school bus... | 01/17/1995 |
| 5357239 | Actuating device for bus safety gate and stop sign An actuating device (10) for operating a safety unit (12) mounts on a vehicle (14) and moves between a retracted position adjacent the vehicle and an extended position extending outwardly from the vehicle. A housing (16) is fixedly mounted on the vehicle ... | 10/18/1994 |
| 5355117 | Vehicle warning sign A warning sign hinge-mounted on the side of a vehicle, for warning motorists against blocking access, as by parking in close proximity, of a wheelchair to a wheelchair lift aboard the vehicle. The sign includes warning indicia and reflectors, and has a di... | 10/11/1994 |
| 5326782 | Salts derived from 26-(dialkylaminoalkylsulphonyl)pristinamycin IIB Di-p-toluoyl tartrate, di-t-butylacetyl tartrate, di-butyryl tartrate and di-i-valeryl tartrate of (dialkylamino-2 alkyl)sulphonyl-26 pristinamycin IIB having general formula (I) wherein Alk represents a straight or branched alkylene radical an... | 07/05/1994 |
| 5313189 | Vehicle wheel safety barrier system using pressure and infrared sensors The safety barrier system prevents a person from being caught under a wheel of a vehicle and is provided with a sensing system to inform the driver of the presence of the person on the barrier during start up. The sensing system combines a first sensor (f... | 05/17/1994 |
| 5293151 | Audible warning of disembarked bus passengers An audible warning cue signal of a selected duration is provided to disembarked passengers to warn them of the impending departure of the vehicle from which they disembarked. The vehicle is stopped at a predetermined location for passenger debarkation. An... | 03/08/1994 |
| 5281948 | Folding school bus stopping arm A housing contains a gate or arm to extend to the driver's side of a school bus to stop vehicular traffic at the back of the bus. The housing and the arm are located at the back of the bus by attaching it to the rear bumper of existing bus. For new buses,... | 01/25/1994 |
| 5281949 | Vehicular safety sensor and warning system A safety sensor and warning system, for use in combination with a motor vehicle, has sensors for determining if personnel are present in one or more predetermined danger zones proximate to the vehicle, during times when the vehicle is undergoing the loadi... | 01/25/1994 |
| 5281947 | Vehicular safety sensor and warning system A safety sensor and warning system, for use in combination with a motor vehicle, has sensors for determining if personnel are present in one or more predetermined danger zones proximate to the vehicle, during times when the vehicle is undergoing the loadi... | 01/25/1994 |
| 5250945 | School bus obstacle detection device A driver alerting device for a school bus or the like includes a pair of transceivers adapted for mounting at the forward end and below the vehicle. Return wave signals from any object or person within the transceiver range are supplied to the transceiver... | 10/05/1993 |
| 5243323 | School bus alarm system A monitor system for ensuring that passengers have exited a vehicle such as a school bus is activated when the ignition of the vehicle is shut off. A buzzer sounds in response to ignition shut off, alerting the driver to disable the alarm system. If he do... | 09/07/1993 |
| 5226686 | Safety gate for school bus A safety gate for a school bus or similar conveyance. The gate is mounted on the front bumper of the vehicle and includes a barrier both in front of the bumper and between the bumper and the front wheel of the bus. Both barriers can be dropped from a trav... | 07/13/1993 |
| 5210521 | Vehicle alarm apparatus and method for preventing injury to nearby persons A vehicle alarm for preventing injury to persons near the vehicle. Persons under and around a vehicle such as a school bus are detected by establishing an energy field and monitoring for disturbances therein. At least one transmitter establishes the energ... | 05/11/1993 |
| 5199754 | Safety barrier for a school bus A motor driven barrier is disclosed for installation on the front end of a school bus. An elongate barrier member is carried in a stowed position adjacent the bus front bumper and upon deployment protrudes forwardly from the bus in approximate alignment w... | 04/06/1993 |
| 5166663 | Self contained air operated pivoting sign device for vehicle An electrically operated, air-driven pivotal sign device includes a housing and a sign assembly pivotally mounted to the housing. Within the housing, an electrically driven air compressor is pneumatically coupled through tubing and a three-way, electrical... | 11/24/1992 |
| 5132662 | Vehicle safety system A safety system which contains a crossing arm or the like which is mounted on a vehicle, such as a school bus, and normally carried at a retracted position adjacent the vehicle, and a sensor device for sensing the presence of children near the bus which o... | 07/21/1992 |
| 5128651 | School bus alarm system An alarm system for vehicles such as school buses which forces the driver to walk through the vehicle to silence the alarm at the end of each route so that he will detect the presence of passengers remaining on board. An ignition relay is energized whenev... | 07/07/1992 |
| 5038136 | Traffic control device for school buses A traffic control device for use on school buses which locates the traffic control sign in the normal field of view of oncoming traffic, yet is robust, can be extended and retracted automatically and rapidly, and substantially does not suffer wind, accele... | 08/06/1991 |
| 5036307 | Weather resistant control system for school bus safety device Apparatus for activating a stop sign on a bus from a retracted to an extended position and vice versa. The apparatus includes a motor coupled, via a rotary-to-reciprocating motion translator, to the stop sign. A rotor is connected to the motor and forms a... | 07/30/1991 |
| 4983949 | Safety unit actuating device An actuating device for use in moving a school bus safety unit, such as a stop sign or crossing arm, between a retracted position adjacent the school bus, and an extended position projecting outwardly from the bus. The actuating device includes a drive mo... | 01/08/1991 |
| 4956630 | Safety unit actuating device An improved actuating device for school bus safety unit, such as crossing arms and the like, which includes an arrangement for driving and controlling the crossing arm in a continuous predetermined arcuate path of movement, with the safety device being mo... | 09/11/1990 |
| 4916372 | Control system for school bus safety device Apparatus for activating a safety device hingedly mounted on a shool bus to swing it out to an outstretched position when the bus door is opened and to return the device to its retracted position when the bus door is closed. The system includes a control ... | 04/10/1990 |
| 4825192 | Retractable guard for vehicles A protective guard is provided for a school bus. A series of telescoping members retracts along the front of the bus, and are in a compact form when the bus is moving. When the school bus stops two of the members telescope outwardly in series and extend a... | 04/25/1989 |
| 4816804 | School bus stop sign control apparatus The apparatus is provided with a unidirectional motor operatively coupled to the hinged sign through an eccentric drive by a link arm which incorporates a pre-loaded helical compression spring to prevent damage to the link arm should an attempt be made to... | 03/28/1989 |
| 4766413 | School bus stop sign control apparatus Control apparatus for a hinged stop sign mounted on the side of a school bus to cause the sign to swing out to an outstretched position when the bus door is opened to load or unload passengers and to return the sign to its retracted position when the door... | 08/23/1988 |
| 4559518 | School bus stop sign and crossing arm apparatus An electrically-powered school bus sign and crossing arm apparatus mounts on the school bus body. A uni-directional DC motor and associated linkage and limit switch controls are used to deploy and retract the stop sign blade and crossing arm.... | 12/17/1985 |
| 4559517 | Warning system for school buses A warning system to be mounted on the front exterior of a school bus to provide two signals to the passengers. One signal is a flashing red light accompanied by an intermittent horn and the second is a steady green light both of which can be seen and hear... | 12/17/1985 |
| 4426638 | Flasher for vehicle lights A flasher controller for vehicle warning lights that comprises a housing for a circuit board that electrically controls the device. The apparatus includes a mounting strap of conductive material which includes an internal ground connection with the circui... | 01/17/1984 |
| 4339744 | School bus stop sign An electrically powered school bus signapparatus mounts on the school bus body. A unidirectional DC motor and associated linkage and limit switch controls are used to deploy and retract the stop sign blade.... | 07/13/1982 |
| 4225853 | Controller for signalling system A signalling device for use in a public transportation vehicle. The signalling device includes a cord, or other device by which a passenger on the vehicle can signal the driver, and a device for generating a signal, normally a buzzer. A control circuit se... | 09/30/1980 |
| 4156232 | Single wire light control system A single-wire system for controlling electrical devices and multiple lights such as warning and signal lights for buses and other vehicles. The system includes a transmitter at a forward end of the vehicle and a receiver at the rear, a power supply and a ... | 05/22/1979 |
| 4138668 | School bus stop sign An electrically-powered school bus stop sign apparatus mounts either partially recessed within the exterior panel of the body of the school bus adjacent the driver or, alternatively, on the exterior panel. A DC motor and associated arm/linkage mechanical ... | 02/06/1979 |
