| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 291 | Track sanders | 16 |
| 291001000 | MISCELLANEOUS | 1 |
| 20140183879 | ANTI-SKID SYSTEMS FOR VEHICLE TIRES ON ICY ROAD CONDITIONS AND METHOD THEREFOR - A method of increasing the friction between a tire of a vehicle and an icy surface includes dispensing a cooling agent such that at least a portion of the dispensed cooling agent is distributed between the tire of the vehicle and the icy surface. | 07-03-2014 |
| 291002000 | WHEEL-SLIP CONTROL | 1 |
| 20150353101 | METHOD AND DEVICE FOR ANALYZING A SCATTERING MATERIAL AND FOR CONTROLLING THE APPLICATION OF A SCATTERING MATERIAL TO A RAIL FOR A RAIL VEHICLE - A method for analyzing a scattering material located at a contact point between a rail and a wheel of a rail vehicle wherein the scattering material improves the force closure between the rail and the wheel. The method reads in a motion signal that represents a motion of the wheel caused by the scattering material located on the rail and evaluates the motion signal to analyze the scattering material located on the rail. | 12-10-2015 |
| 291003000 | FLUID DELIVERY | 6 |
| 20080203735 | APPARATUS AND METHOD FOR LUBRICATING RAILROAD TRACKS - A system for increasing the efficiency of the movement of a railroad car over a length of rail, including a fluid reservoir for containing a quantity of efficiency enhancing fluid, a fluid dispensing member, a fluid pump connected in fluidic communication between the reservoir and the fluid dispensing member for dispensing a predetermined quantity of fluid through the fluid dispensing member, a microprocessor operationally connected to the fluid pump, and a first sensor for generating a first sensor signal in response to a railroad car crossing a predetermined section of track and operationally connected to the microprocessor. The fluid dispensing member is positioned along a railroad portion substantially equal in length to the circumference of a railroad car wheel to provide a substantially continuous flow of efficiency enhancing fluid substantially equal in length to the circumference of a railroad car wheel onto the rail portion when the predetermined quantity of fluid is dispensed. | 08-28-2008 |
| 20080252082 | Sand Spreading Device in Rail-Borne Vehicles, In Particular High-Speed Vehicles - A sand spreading device in rail-borne high-speed vehicles in which a metering device and a conveying device are provided. For preventing a lateral discharge of the conveyed sand, both devices do form one unit, yet are separately controllable. When using a bucket wheel (Z) controlled by a vehicle speed indicator (FT), it will be possible to achieve an exact, infinitely variable amount of sand, or conveyance, respectively. | 10-16-2008 |
| 20140217747 | ANTI-ICING SYSTEM FOR REDUCING THE ICING OF A VEHICLE ON TRACKS AND METHOD OF REDUCING ICING OF A VEHICLE ON TRACKS - An anti-icing system, for reducing the icing of a vehicle on tracks, comprises a spray nozzle arrangement ( | 08-07-2014 |
| 20150054292 | SYSTEM AND METHOD OF MODIFYING THE FRICTION OF RAILROAD TRACKS - A railroad friction-modification system for applying a friction modifier to a section of railroad track, the system comprising an external storage tank for storing the friction modifier, a railroad friction-modification assembly for applying the friction modifier, a tube for connecting the external storage tank to the railroad friction-modification assembly, and a mounting assembly for securing the railroad friction-modification assembly to the rail. The railroad friction-modification assembly includes an expandable membrane for storing the friction modifier, an inlet valve for receiving the friction modifier from the external storage tank, a housing for securely containing the expandable membrane, at least one outlet valve for expelling the friction modifier from the expandable membrane upon the application of a force, and a nozzle for directing the expelled friction modifier onto the section of railroad track. The force is applied by the wheel of a railroad car, such that the railroad friction-modification assembly pumps the friction modifier in a peristaltic action. | 02-26-2015 |
| 291110100 | Including sand trap | 2 |
| 20110278863 | SAND SPREADING SYSTEM - The invention relates to a system for spreading spreadings ( | 11-17-2011 |
| 20160159371 | SPREADING DEVICE FOR THE APPLICATION OF BRAKE SAND ON RAIL-MOUNTED VEHICLES - A spreading device for a pneumatic application of brake sand on rail-mounted vehicles, comprising an air source and a sand container as storage container for the brake sand or the spreading material, an outlet at the lower end of the sand container, a connecting pipe to a mixing container provided for air-charged swirling of the spreading material to form a sand stairway and a dispensing device disposed on the mixing container for the specific dispensing of the spreading material onto the rails in front of the wheels. | 06-09-2016 |
| 291019000 | HEATERS | 1 |
| 291020000 | Electric | 1 |
| 20140049054 | Efficient Sand Tub Heater - An efficient sand tube heater including a flexible heating element wrapped around a sand tube. The flexible heating element and sand tube are then surrounded by a heat sensitive sheathing. Heat is applied to the heat sensitive sheathing such that the heat sensitive sheathing shrinks around the flexible heating element and sand tube such that the flexible heating element remains in contact with the sand tube. | 02-20-2014 |
| 291022000 | POWER-ACTUATED | 2 |
| 291023000 | Electric | 2 |
| 20110187128 | SAND DOSING AND BLOCKING DEVICE - The invention relates to a sand dosing and blocking device ( | 08-04-2011 |
| 20150061299 | SAND MONITORING AND CONTROL SYSTEM FOR A MACHINE - A sand monitoring and control system for a machine is disclosed. The sand monitoring and control system may have a sand box configured to hold sand. The sand monitoring and control system may further have a duct connected to the sand box. The duct may be configured to dispense sand from the sand box to a wheel of the machine. The sand monitoring and control system may also have a valve connected to the duct. In addition, the sand monitoring and control system may have a controller in communication with the valve. The controller may be configured to adjust the valve to control a flow-rate of sand through the duct. | 03-05-2015 |
| 291025000 | SAND FEEDERS | 5 |
| 20110089704 | SAND DISCHARGE DEVICE FOR A RAIL VEHICLE - The invention relates to a suction nozzle insert for arranging in a storage container of a sand discharge device of a rail vehicle, through which compressed air can flow which is fed in via a compressed air pipe, wherein the compressed air flows in succession through a nozzle, an injection chamber, a venturi pipe and then a sand feed pipe, wherein the injection chamber and the venturi pipe are located in a first hollow chamber, and furthermore at least one suction channel which connects the storage container with the injection chamber is provided in the housing of the suction nozzle insert, wherein the housing has a second hollow chamber which is arranged between the compressed air pipe and the nozzle, and at least one at least partially closable air channel is provided between this second hollow chamber and the first hollow chamber, wherein the air channel inlet lies in the second hollow chamber and the air channel outlet lies in the first hollow chamber. | 04-21-2011 |
| 20110198864 | Sand Dispensing Device for Vehicles and System Components for Such Sand Dispensing Devices - A sand dispensing device for vehicles has an exchangeable sand container and a sand outlet comprising a sand conduit for transporting sand from the sand container to a sand dispensing location. A container receptacle is provided that exchangeably secures the sand container. | 08-18-2011 |
| 20120091733 | Revolution daddy rock super tract - The Revolution Daddy Rock Super Track is a salt sifting tank that dispenses rock salt directly to the front of the vehicle wheels followed by the rear wheels which would prevent the automobile from sliding side to side and also aiding the vehicle to go up and down hills in the winter time with super traction. | 04-19-2012 |
| 20120326454 | AUTOMOBILE SALT DISPENSER - An apparatus to dispense salt, sand, brine or similar material under or in the area of a tire on a motor vehicle, including, but not limited to, a truck or automobile. The apparatus comprises one or more containers for storing salt, sand, brine, or similar material that can be used to melt or provide traction on snow or ice. One or more tubes or lines run from the container(s) to a position above or near a vehicle wheel, or in the wheelwell, where the salt, sand, brine or similar material can be dispensed via a dispenser directly onto the snow or ice under or proximate to the tire, or onto the tire itself. A pump is used to pump the salt, sand, brine or similar material through the lines. The pump may be integrated with the container, or may be separately installed. | 12-27-2012 |
| 20180022362 | SANDING SYSTEM COMPRISING A PROTECTED MOTOR | 01-25-2018 |
