| Patents for E01H 8 - Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails (456) |
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| 02/10/2004 | US6688021 Locomotive snow removal enhancement |
| 12/16/2003 | US6664521 Line switch part snow melting device |
| 10/28/2003 | US6637133 Ballast cleaning machine |
| 10/22/2003 | CN2581493Y Railway switch ice and snow shielding device |
| 10/01/2003 | EP1185739B1 Driven liquid-cleaning device for railtrack grooves |
| 06/26/2003 | DE29824935U1 Rail-track groove cleaning unit |
| 06/19/2003 | US20030110665 Snow removal apparatus |
| 04/30/2003 | CN1415041A Rail cleaning method and apparatus |
| 04/29/2003 | US6553693 Snow removal apparatus and method of using same |
| 03/12/2003 | CN1102976C Machine for picking up bulk material lying on track |
| 02/27/2003 | WO2003016119A1 Deflector to be mounted adjacent to a trainwheel |
| 01/01/2003 | CN1097661C Suction machine |
| 12/05/2002 | DE10208507A1 Electrical supply loop line cleaning device has brush housings of brush cleaning units supported at corners of carrier and support frame |
| 12/04/2002 | CN1382870A Screen scarifier for screening rail ballast |
| 11/21/2002 | US20020170207 Locomotive snow removal enhancement |
| 11/13/2002 | CN1379159A Track-tye snow remover |
| 10/31/2002 | US20020157839 Ballast cleaning machine |
| 10/30/2002 | EP1253246A2 Railway ballast cleaning machine |
| 10/16/2002 | EP1249188A2 Sweeping brush for cleaning railway tracks |
| 10/15/2002 | US6464083 Method and apparatus for selectively capturing ferrous debris from a floor |
| 09/03/2002 | US6444046 Method and device for cleaning railtrack grooves |
| 07/31/2002 | EP1227186A1 Line switch part snow melting device |
| 07/31/2002 | EP1226311A1 Rail cleaning method and apparatus |
| 07/24/2002 | CN1088132C Machine for implementing track maintenance operations |
| 05/08/2002 | CN2490037Y Railway special steam weed killing, deice train |
| 03/13/2002 | EP1185739A1 Driven liquid-cleaning device for railtrack grooves |
| 02/06/2002 | EP1177346A1 Device for use on railway track |
| 01/30/2002 | CN2474584Y Railroad switch hot air snow sweeping machine |
| 11/29/2001 | CA2309938A1 Snow removal apparatus and method of using same |
| 11/21/2001 | EP1156159A2 Sweeping brush for cleaning the surface of rails and sleepers of a track |
| 09/13/2001 | WO2001066859A1 Device for use on railway track |
| 08/22/2001 | CN2443993Y Removing machine for undesirable mater from railroad switch |
| 08/21/2001 | US6276281 Method and apparatus for control of a rail contaminant cleaning system |
| 05/30/2001 | CN1066506C Mechanism for absorbing rail ballast |
| 05/10/2001 | WO2001032990A1 Rail cleaning method and apparatus |
| 05/10/2001 | CA2388855A1 Rail cleaning method and apparatus |
| 04/26/2001 | WO2001029318A1 Line switch part snow melting device |
| 04/26/2001 | CA2388248A1 Line switch part snow melting device |
| 02/28/2001 | CN2421322Y Multifunctional snow remover |
| 02/15/2001 | WO2001011145A1 Shaft with brush for cleaning railway lines |
| 02/07/2001 | CN2417937Y High-pressure liquid jetting type snow-removing device for railroad switch |
| 01/25/2001 | DE19933915A1 Fahrbahnräumer Road surface |
| 01/25/2001 | DE19933914A1 Fahrbahnräumer Road surface |
| 01/24/2001 | EP1070792A2 Track cleaner |
| 01/24/2001 | EP1070791A2 Track cleaner |
| 12/07/2000 | WO2000073592A1 Driven liquid-cleaning device for railtrack grooves |
| 11/22/2000 | CN2407033Y Snow removing and defreezing device for rail points |
| 11/21/2000 | US6148732 Railcar track cleaning system |
| 10/11/2000 | CN1057361C Dosage slag shaping machine |
| 08/03/2000 | WO2000044992A1 Rail vehicle |
| 05/24/2000 | CN1052772C Ballast placing vehicle |
| 05/23/2000 | CA2153943C A method and device for cleaning the ties of railroad tracks |
| 05/03/2000 | CN1052051C Apparatus for cleaning ballast |
| 03/15/2000 | CN1247584A Method and device for cleaning railtrack grooves |
| 11/10/1999 | EP0954642A1 Method and device for cleaning railtrack grooves |
| 08/17/1999 | US5937548 Machine for withdrawing bulk material from a track |
| 04/29/1999 | WO1999020843A1 Method and device for cleaning railtrack grooves |
| 03/10/1999 | CN1210177A Machine for picking up bulk material lying on track |
| 12/30/1998 | EP0887470A1 Device for the cleaning of the grooves of rails |
| 07/07/1998 | US5775228 Locomotive adhesion enhancing slipping discs |
| 05/20/1998 | CN2282005Y Cleaning device for railway switch |
| 04/23/1998 | DE19708551A1 Cleaning system for grooves of rails e.g. tram tracks |
| 03/04/1998 | EP0826829A2 Machine for taking up bulk material placed on the railway track |
| 01/20/1998 | US5709270 Ballast suction machine |
| 01/20/1998 | US5709001 Track work machine |
| 12/10/1997 | EP0811722A2 Trackbound vehicle for cleaning railway superstructures |
| 12/09/1997 | US5695574 Method and device for cleaning the ties of railroad tracks |
| 11/13/1997 | DE19617411A1 Cleaner for slide chair of points |
| 10/22/1997 | CN1162668A Machine for implementing track maintenance operations |
| 10/07/1997 | US5673626 Equipment for cleaning railway tracks |
| 08/06/1997 | EP0787858A1 Machine for carrying out railway trackworks |
| 07/01/1997 | US5642673 Snow and ice melting device |
| 04/29/1997 | CA2084696C Vacuum cleaner train for cleaning tracks, particularly for underground railway networks |
| 04/03/1997 | DE19622236A1 Rail vehicle for cleaning surface of rail track |
| 01/02/1997 | DE19522443A1 Rail cleaning method using rail vehicle |
| 11/20/1996 | EP0743399A1 Track cleaning apparatus |
| 11/17/1996 | CA2173565A1 Equipment for cleaning railway tracks |
| 06/26/1996 | CN2229943Y Apparatus for removing undesirable matter from rails |
| 05/01/1996 | CN2225907Y Multifunctional combined cleaning device |
| 04/02/1996 | US5502904 Mobile machine for withdrawing ballast from a ballast bed |
| 03/06/1996 | CN2221609Y Switch snow guard |
| 12/13/1995 | CN1113277A Suction machine |
| 12/06/1995 | EP0685019A1 Vacuum cleaning machine for railway superstructures |
| 10/25/1995 | EP0678621A2 Machine for taking up ballast by suction |
| 09/26/1995 | US5452528 Ballast planing machine |
| 09/14/1995 | DE4406596A1 Suction tube inlet blockage protector for rail and track bed cleaner |
| 08/16/1995 | CN2205401Y Multifunction cross cleaning tool rack |
| 08/09/1995 | CN1106485A Mechanism for absorbing rail ballast |
| 06/29/1995 | WO1995017554A1 Vacuum cleaning machine for railway superstructures |
| 06/07/1995 | CN2200004Y Electric heating snow thawing device for railway points |
| 05/31/1995 | CN1103127A Apparatus for cleaning ballast |
| 05/24/1995 | EP0654391A2 Rail block module |
| 04/04/1995 | US5402547 For sweeping ballast off a track |
| 03/15/1995 | CN1100161A A ballast grading machine |
| 03/07/1995 | US5394586 Ballast sweeper dust control |
| 03/01/1995 | EP0640720A1 Vacuummachine for sucking up the ballast of a railway |
| 02/14/1995 | US5389766 Rail snow-melting by electromagnetic induction heating |
| 01/11/1995 | EP0633355A2 Track sweeping machine |
| 11/16/1994 | CN2182817Y Machine for removing undesirable matter from rails |
| 09/07/1994 | EP0613980A2 Ballast levelling machine |