| Patents for E01H 10 - Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials (816) |
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| 09/02/1995 | CA2143517A1 Method and gritting equipment |
| 06/14/1995 | DE4432869A1 Bituminous material used as ice-preventing additive for road surfaces |
| 06/13/1995 | US5423909 Mixture of sodium carbonate, sodium bicarbonate, silicon dioxi dioxide; for floors |
| 02/08/1995 | CN1027593C Liquid de-icing agent based on acetated and process for melting snow and ice on traffic surfaces with aid of this agent |
| 12/07/1994 | EP0627528A1 Spreading apparatus and a distribution chamber therefor |
| 12/04/1994 | CA2125081A1 Spreading apparatus and a distribution chamber therefor |
| 11/24/1994 | WO1994026979A1 Method and device for distributing road salt |
| 11/17/1994 | EP0624215A1 Method and device to scatter a preheated material on a surface. |
| 06/23/1994 | WO1994013886A1 Grit storage device |
| 06/07/1994 | US5318226 Deposition of snow-ice treatment material from a vehicle with controlled scatter |
| 04/27/1994 | EP0593996A1 Spreading device with liquid feed for winterservice |
| 01/19/1994 | EP0579311A1 Device for containing and supplying particulate and fluid material |
| 01/19/1994 | EP0579014A1 Process for melting snow and/or ice with an alkali metal carboxylate |
| 01/13/1994 | DE4222605A1 Prevention of vehicles from skidding - using adjustable nozzles that spray liquid nitrogen or carbon di:oxide onto road surface in front of wheels |
| 01/03/1994 | CA2099483A1 Process for melting snow and/or ice using an alkali metal carboxylate |
| 09/15/1993 | EP0560243A1 A unitary assembly for use on a motor vehicle suitable for clearing roads of snow and ice |
| 08/24/1993 | US5238592 Liquid de-icing agent based on acetates and process for melting snow and ice on traffic surfaces with the aid of this agent |
| 08/17/1993 | CA1321373C Dispenser for granular materials |
| 07/22/1993 | WO1993014270A1 Method and device to scatter a preheated material on a surface |
| 07/22/1993 | CA2128088A1 Method and device to scatter a preheated material on a surface |
| 04/21/1993 | EP0537857A2 An implement for spreading material |
| 03/31/1993 | EP0435977B1 Spreader unit |
| 03/25/1993 | DE4131001A1 Recovery of salt from salt spreader for reuse - involves collecting salt residue in container which is moved by pneumatic conveyor into salt silo |
| 03/04/1993 | DE4129073A1 Snow and ice thawing on road surfaces - by applying soluble inorganic salt simultaneously treated with liq. water soluble silicate and miscible alcohol mixt. in mechanical spreading |
| 02/18/1993 | WO1993000481A3 Process and device for de-icing roadways |
| 02/16/1993 | US5186396 Apparatus for spreading granular and liquid materials |
| 01/07/1993 | WO1993000481A2 Process and device for de-icing roadways |
| 01/07/1993 | EP0435979B1 Spreader unit |
| 01/07/1993 | DE4121608A1 Verfahren und einrichtung zum enteisen von fahrbahnen Method and device for de-ice from roadways |
| 12/30/1992 | CA2090454A1 Process and device for de-icing roadways |
| 11/19/1992 | EP0513714A1 Motorvehicle with distributing device for liquid de-icing agent on traffic surfaces |
| 09/24/1992 | DE4109366A1 Method of spreading mixt. of solid and liq. on winter road - from road vehicle with separate rotary scatter discs for liq. and solid |
| 07/29/1992 | EP0496293A1 Spreading device for a spreading vehicle equipped with a salt spreading unit |
| 07/15/1992 | EP0494506A1 Deicing compositions |
| 07/06/1992 | CA2057639A1 Deicing compositions |
| 06/17/1992 | EP0490208A1 Spinnerdisc for Winterservice-Spreading-Apparatus |
| 05/13/1992 | CN1061063A Liquid de-icing agent based on acetated and process for melting snow and ice on traffic surfaces with aid of this agent |
| 05/07/1992 | DE4038268C1 Road grit spreading vehicle with endless conveyor - has hydraulic system, whose medium is cooled by line with metal cooling section |
| 05/06/1992 | EP0483721A1 Liquid deicing agent based on acetates and process for melting snow and ice on traffic surfaces therewith |
| 04/22/1992 | EP0481252A1 Spreading device |
| 04/09/1992 | DE4125965A1 Salt spreader for icy roads - consists of container with high sides made up of numerous little tanks |
| 03/17/1992 | US5096125 Apparatus for synchronized spreading of granular and liquid material |
| 01/15/1992 | EP0465499A1 Road gritter device |
| 12/18/1991 | EP0461295A1 Sprayhead for a stationary de-icing liquid spray installation for roadways, taxiways and runways |
| 12/04/1991 | EP0458992A1 Stationary deicing liquid spray installation for roadways and airports |
| 12/03/1991 | US5069392 Synchronized granular material and liquid spreading device with full hydraulic control |
| 09/26/1991 | DE4008773A1 Controlling distribution of output from road gritting vehicles - measuring air and surface temp. and humidity to control quantity of substance scattered |
| 09/19/1991 | DE4008630A1 Spreader device for public service vehicles in winter - has rear and front ballast tanks connected via tube contg. shut-off valve |
| 06/20/1991 | DE3938147A1 Controlling distribution of gravel, sand, salt etc. on roads in winter - dispensing in controlled pattern by microprocessor unit |
| 05/22/1991 | EP0427995A1 Device for spreading pre-wetted granular material |
| 05/21/1991 | US5016789 Dispenser for granular materials |
| 04/17/1991 | EP0422136A1 Spreading apparatus for winter service |
| 04/02/1991 | US5004164 Salt truck |
| 03/14/1991 | DE3928928A1 Snow plough with deicing fluid distribution - has row of height adjustable spray nozzles delivering deicing or melting fluid over whole vehicle width |
| 03/14/1991 | DE3928914A1 Snow clearer with plough and sweeper - has row of height-adjustable flat ended rotating brushes with vertical axes over entire vehicle width |
| 02/21/1991 | WO1991002123A1 Spreader unit |
| 02/21/1991 | WO1991002122A1 Spreader unit |
| 01/31/1991 | DE3924647A1 Streuvorrichtung Scatterer |
| 01/31/1991 | DE3924358A1 Grit and salt spreading device with ribbed scattering disc - has ribs of differing lengths and central housing protecting disc centre and holding fluid reservoir |
| 12/18/1990 | US4978068 Exhaust heated spreader |
| 09/29/1990 | WO1990011409A1 Road gritter device |
| 09/29/1990 | CA2055603A1 Road gritter device |
| 07/26/1990 | WO1990008227A1 Spreading apparatus for winter service |
| 04/05/1990 | DE3829716A1 Gritting vehicle with a scattering apparatus |
| 03/15/1990 | DE3829624A1 Attachable automatic gritting machine for distributing gritting materials on highways |
| 10/26/1989 | DE3812833A1 Device for a gritting vehicle |
| 04/13/1989 | DE3732657A1 Method for increasing grip on icy surfaces |
| 01/25/1989 | EP0300297A1 Process and plant for treating recovered granular material used on wintry roads |
| 11/24/1988 | DE3712452A1 Spreading vehicle with distribution device for thawing materials |
| 11/17/1988 | DE3715054A1 Double gritting plate |
| 10/12/1988 | EP0285910A2 Snow clearing apparatus for final settling basin |
| 08/17/1988 | EP0278052A1 Apparatus for spreader control at a road salt spreader |
| 07/14/1988 | DE3644768A1 Gritting apparatus with gritting part for distributing grit (abrasive material) |
| 03/23/1988 | CN87105640A Water spray nozzle |
| 01/28/1988 | DE3623352A1 Gritting vehicle with distribution device for liquid thawing materials |
| 12/15/1987 | US4712717 Combined drop and broadcast spreader for granular material |
| 12/08/1987 | US4711806 Plastic part resistant to deicing salt |
| 10/21/1987 | EP0241635A2 Method and device for slag treatment |
| 10/15/1987 | DE3700608A1 Method and apparatus for processing slag |
| 06/19/1987 | DE3544060A1 Spreading device with liquid supply for spreading moistened granulates |
| 04/21/1987 | CA1220803A1 Sand-dispensing device for motor vehicles |
| 09/17/1986 | EP0194565A2 Machine for melting the snow |
| 06/10/1986 | CA1205721A1 Electromagnetically controllable spray valve and spray system |
| 05/13/1986 | US4588113 Combined drop and broadcast spreader for granular material |
| 04/15/1986 | US4582763 Plastic part resistant to deicing salt |
| 03/25/1986 | US4577781 Apparatus for controlling the regulator of a device for spreading salt or the like on roads |
| 03/11/1986 | US4575010 Method and apparatus for spreading heated sand |
| 03/11/1986 | CA1201735A1 Multiple conveyor |
| 02/04/1986 | US4568028 Dual purpose vehicle |
| 12/10/1985 | US4557420 Electromagnetically controllable spray valve and spray system |
| 07/16/1985 | US4529104 For applying a substance onto farmland |
| 06/11/1985 | US4523280 Spreader control |
| 01/23/1985 | EP0131761A2 Vehicle equipped with a salt spreading unit |
| 01/01/1985 | US4491275 Dispenser for road vehicle |
| 06/12/1984 | CA1169174A1 Process for preventing the formation of black ice on roads and fixation composition for carrying this process into effect |
| 06/12/1984 | CA1169107A1 Vehicle for distributing thawing materials |
| 05/16/1984 | EP0108337A2 Road gritting and salting machine |
| 04/25/1984 | EP0106796A2 Electromagnetically controllable and monitorable spray valve for fluids, and installation comprising these spray valves |
| 04/17/1984 | US4442979 Spreader vehicle for solid and liquid thawing materials |
| 02/28/1984 | US4434190 Process for preventing formation of black ice on roads by applying a mixture of salt and aqueous fixation composition onto the road surface |