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| Number | Title | Issue Date |
| 7976076 | Traction material dispensing apparatus The traction material dispensing apparatus mounts within the wheel well of a fender of a vehicle and is therefore visually and physically unobtrusive. The apparatus selectively dispenses traction material both in front of and behind a vehicle tire. A driver-accessed... | 07/12/2011 |
| 6976713 | Apparatus for use in applying granular material to a rail An apparatus for applying granular material to a rail adjacent to a wheel of a train includes a granular supply material container to which a granular material injection assembly is connected. The granular material injection assembly includes a housing having a mixi... | 12/20/2005 |
| 6926314 | Mudguard gritter A mudguard gritter that can be easily installed on trucks, school buses, delivery trucks and semitrailers. It can be fixed to supports of existing mudguards. The mudguard gritter comprises a container forming a hopper having the shape of a conventional aileron, with... | 08/09/2005 |
| 6371532 | Traction-enhancing system for use with motor vehicles A vehicle-mounted device and method for delivering a traction enhancing material to a road surface directly in front of one or more tires is disclosed. The device delivers the traction enhancing material when an electronic controller detects a loss of tra... | 04/16/2002 |
| 6061956 | Drying sand to prevent freezing without the use of salt A method for supplying dry sand for spreading on road surfaces in freezing temperatures in a condition in which the sand remains fluid in freezing temperatures without the addition of salt includes the steps of drying the sand by providing a naturally occ... | 05/16/2000 |
| 4968069 | Sand dispensing device having plural compartments A sand dispensing device designed to be carried in the trunk of a vehicle includes a housing having a partition forming two interior compartments. A supply of sand is stored in a first compartment and an electric air compressor is situated in a second com... | 11/06/1990 |
| 4852949 | Traction control system This invention consists of a funnel mounted near the wheel well of a vehicle, which contains marble chips and is activated when a button located on the steering wheel is depressed. The flow of marble chips continues until the button is depressed a second ... | 08/01/1989 |
| 4325573 | Device for regulating discharge of sand from a vehicle sander A sanding apparatus for a vehicle, particularly rail vehicles, has a sealed container for sand and the container is provided with a bottom wall which is permeable by air. A sand discharge pipe extends from the container through the bottom wall and has an ... | 04/20/1982 |
| 4316625 | Vehicular salt dispenser A salt dispensing accessory mountable on an automotive vehicle so to dispense salt in front of the rear wheels thereof for traction on ice; the device including a salt storage container with a downward spout underneath, and also a unit for moistening the ... | 02/23/1982 |
| 4272110 | Vibratory sander A sanding device for motor vehicles comprising at least one refillable sand reservoir having a funnel-shaped bottom, its discharge being disposed above a vibrating channel, said channel being set into vibrations by electric energy and conveying the sand t... | 06/09/1981 |
| 4166581 | Spreader for particulate material In a spreader of the type used for spreading particulate material onto a roadway and comprising an upper hopper having a lower material discharge chamber terminating in a lower discharge opening, a rotatable spreader element below the discharge opening an... | 09/04/1979 |
| 4114932 | Motor vehicle wheel track sanding device A motor vehicle wheel track sanding device including a sand storage tank, a hopper mounted over a wheel of a motor vehicle, a pipe connecting the interior of the hopper to the storage chamber, an auger disposed within the pipe for transferring the sand fr... | 09/19/1978 |
| 4043577 | Sanding device for increased vehicle traction A box is mounted on the chassis of a vehicle above and forward of a selected one of the wheels of the vehicle. A side panel removably encloses an open side of the box and has a plurality of spikes extending from the inside surface thereof for puncturing a... | 08/23/1977 |
| 4036516 | Sand dispensing device for a motor vehicle A sand dispensing device includes a sand storage unit having a pair of holes in each end; wherein the sand storage unit is contained within the trunk of the motor vehicle. A pair of chute and dispensing unit assemblies extend downwardly through the floor ... | 07/19/1977 |
| 4012062 | Sanding device for a motor vehicle A sanding device is mounted in a motor vehicle for depositing a non-skid substance at a controlled rate just forwardly of each rear wheel of the motor vehicle. The device includes a tank having a pair of chutes associated therewith, wherein the chutes ext... | 03/15/1977 |
| 3938835 | Double action winter road conditioner apparatus A hopper structure is disclosed for receiving sand from a main supply and selectively depositing the sand adjacent to one or more wheels of a motor vehicle. The sand deposition hopper is preferably arranged forward of the associated wheel and may be opera... | 02/17/1976 |
