| Patents for E01H 8 - Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails (456) |
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| 06/29/1994 | CN1088649A Ballast Placing vehicle |
| 06/22/1994 | EP0603149A1 Vacuum machine |
| 02/23/1994 | CN2157221Y Wire brush type machine for removing snow from railway track |
| 01/11/1994 | US5276940 Vacuum cleaner train for cleaning tracks, particularly for underground railway networks |
| 09/21/1993 | CA1322299C Mobile track bed cleaning machine and method |
| 06/16/1993 | EP0546949A1 Vacuum cleaner for cleaning roads, in particular for the underground network |
| 10/21/1992 | CN2119439U Tracted sweeper special for railways |
| 09/30/1992 | EP0505845A1 Current supply system for an electrical conveyor track floor |
| 09/17/1992 | DE4108673A1 Process for continuous cleaning of railway ballast - involves using hood equipped with compressed air and high pressure water jets, attached to constantly moving vehicle |
| 07/15/1992 | CN2110035U Snow remover for railway switch |
| 05/20/1992 | EP0485810A1 Double-purpose motor vehicle for cleaning roads and rail tracks, in particular of railways |
| 01/09/1992 | DE4019827A1 Rail-borne snow clearing vehicle - has hydrostatic motors to drive two snow clearing units and travelling wheels |
| 10/29/1991 | US5060335 Apparatus for cleaning the surface of a railway rail |
| 10/08/1991 | US5054401 Device for the cleaning of rails by scraping, loosening, and brushing |
| 09/18/1991 | CN2084947U Slope track cleaning device |
| 03/27/1991 | EP0418428A1 Mobile frame on rails with dust aspiration device |
| 11/08/1990 | DE3914976A1 Motor driven snow plough for railway tracks - is in two halves left and right hand that traverse sideways away from each other each half being independent |
| 10/03/1990 | EP0337048B1 Railway machine for vacuum cleaning a track superstructure |
| 07/18/1990 | EP0378025A1 Apparatus and process for cleaning a horizontal surface |
| 07/03/1990 | US4938239 Mobile track bed cleaning machine and method |
| 04/18/1990 | EP0364348A1 Vehicle moving on two crossing paths of travel separated by a difference in level, such as a railway and a siding on a platform |
| 04/04/1990 | EP0360825A1 Method and device for cleaning of rails |
| 02/01/1990 | DE3843004C1 Rail guard for a rail vehicle |
| 01/04/1990 | DE3822264A1 Snow-clearing machine |
| 10/18/1989 | EP0337048A1 Railway machine for vacuum cleaning a track superstructure |
| 10/04/1989 | CN2045396U Cam swinging type railway cleaner |
| 08/30/1989 | CN1035149A Method and equipment of snow-drift prevention for railway switch |
| 06/07/1989 | CN2038918U Snow-plough for removing snow from railway switch |
| 11/17/1988 | WO1988008900A1 Method and device for cleaning of rails |
| 10/12/1988 | EP0285910A2 Snow clearing apparatus for final settling basin |
| 05/03/1988 | US4741072 Railroad track cleaner |
| 06/23/1987 | US4674718 Method and apparatus for keeping railway switches free from snow |
| 06/02/1987 | CA1222556A1 Method and apparatus for keeping railway switches free from snow |
| 05/28/1986 | CN85201429U Rubber inserter for railroad |
| 02/18/1986 | US4570287 Method of and apparatus for picking up refuse from a surface, such as a track bed |
| 06/07/1983 | CA1147758A1 Snow removal apparatus |
| 01/11/1983 | CA1139323A1 Snow plow for railed vehicle |
| 11/30/1982 | US4360949 Portable pneumatic railroad switch cleaning device |
| 10/19/1982 | US4354320 Snow plow for railed vehicle |
| 08/31/1982 | US4346527 Snow removal apparatus |
| 01/27/1982 | EP0044350A1 Snow removing device for attachment to the front of a lorry |
| 12/08/1981 | CA1113713A1 Snow-plow construction for work machines |
| 06/23/1981 | US4274212 Flow apparatus for work vehicles |
| 06/03/1981 | EP0029466A1 Projecting snow-removing device for a rail clearing-vehicle |
| 04/21/1981 | CA1099591A1 Mobile apparatus for receiving and conveying ferrous rail fastening elements |
| 03/10/1981 | CA1097135A1 Mobile apparatus for receiving and conveying ferrous rail fastening elements |
| 11/25/1980 | US4235029 Machine for cleaning railway tracks |
| 10/28/1980 | US4230045 Method and system for increasing the track-to-wheel friction of the wheels of a locomotive for motive power and decreasing the rolling resistance for trailing loads |
| 09/30/1980 | US4225429 Vehicle for cleaning railway roadbeds of magnetic articles |
| 04/08/1980 | CA1075082A1 Snow removal unit |
| 12/11/1979 | US4178237 Mobile apparatus for receiving and conveying ferrous rail fastening elements |
| 12/11/1979 | US4178236 Mobile apparatus for receiving and conveying ferrous rail fastening elements |
| 05/01/1979 | US4151663 Snow removal unit |
| 05/30/1978 | US4091492 Cleaning device for conveyor system rail |
| 05/17/1977 | US4023286 Railroad switch sweeper |
| 02/03/1976 | US3935610 Cleaning apparatus for overhead rails |