| Patents for E01B 31 - Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (1,286) |
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| 03/20/1990 | US4908993 Grinding machine for reprofiling railheads |
| 03/07/1990 | CN2054045U Oiler for bolt and nut of sleeper |
| 03/06/1990 | US4905422 Method and device for the continuous rectification of the rails of a railway track |
| 03/06/1990 | US4905359 Apparatus for forming slide surfaces on track for electromagnetically levitated vehicles |
| 02/28/1990 | CN1040072A Piercing machine for rail |
| 02/21/1990 | CN1039862A Internal combustion piercing machine for rail |
| 02/07/1990 | CN1006726B Milling device for welding bead of railway rail bar |
| 01/30/1990 | US4896460 Rail grinding machine |
| 01/23/1990 | CA1264557A1 Rail grinder |
| 01/03/1990 | EP0188490B1 Securing devices |
| 12/06/1989 | EP0344390A1 Rail grinding machine |
| 11/07/1989 | US4878318 Railway track maintenance machine for the rectification of the head of the rail |
| 11/07/1989 | CA1262633A1 Rail grinding machine |
| 10/17/1989 | US4873902 Railroad rail cold saw |
| 10/04/1989 | CN1036042A Heat treatment equipment and quenching technology for rails |
| 09/12/1989 | US4864776 Rail grinding apparatus |
| 09/06/1989 | EP0330842A1 Apparatus for reprofiling a railway |
| 09/05/1989 | US4862647 Rail grinding machine |
| 08/15/1989 | US4856173 Method of the formation of slide surfaces on a track for electromagnetically levitated vehicles |
| 08/08/1989 | US4854088 In-track rail base grinding method |
| 08/08/1989 | CA1258223A1 Mechanism and method for bending abutting rail section ends at rail joints in the operation of a track working machine |
| 07/26/1989 | CN1034236A Rail grinding machine |
| 07/22/1989 | USRE32979 Device for the in situ reprofiling of the head of at least one rail of a railroad track |
| 07/18/1989 | US4848426 For railroad track maintenance |
| 07/04/1989 | US4843765 Railway track maintenance machine for truing the head of railway track rails |
| 06/14/1989 | CN2039319U Series of acoustical sleeper bolt wrench with adjustable torgue moment |
| 06/07/1989 | EP0318521A1 Tangential grinding machine. |
| 05/17/1989 | EP0315704A1 Rail grinding machine for reprofiling railheads |
| 05/16/1989 | US4829723 Rail grinding machine |
| 05/11/1989 | DE3735220A1 Method for the retrospective production, locally unrestricted in a defined region, of an anchoring for rail- fastening screws in the set concrete of the precast sleeper body of a prestressed-concrete sleeper - chiefly a points sleeper - and an anchoring device for the rail-fastening screws for carrying out the method |
| 05/10/1989 | CN1032829A 钢轨打磨机 Rail grinding machine |
| 05/03/1989 | EP0314423A1 Improvements in drilling machines |
| 05/02/1989 | US4825919 Railroad adzer debris removal means |
| 05/02/1989 | CA1253345A1 Device for the in situ reprofiling of the head of at least one rail of a railroad track |
| 05/02/1989 | CA1253344A1 Method and device for the continuous rectification of the rails of a railway track |
| 04/26/1989 | CN2036545U Oiler for track |
| 04/20/1989 | WO1989003455A1 Rail grinding machine |
| 04/04/1989 | CA1252155A1 Gas shield chamber for arc welding of rails |
| 03/01/1989 | EP0304960A1 Rail grinding machine |
| 11/30/1988 | CN88102783A Belt grinding unit for removing surface irregularities on the rail head surface of one or both rails of a laid railway track |
| 11/22/1988 | US4785692 Railroad tie plug driver |
| 11/22/1988 | US4785589 Process for measuring and grinding the profile of a rail head |
| 10/25/1988 | US4779384 Rail grinder |
| 10/13/1988 | DE3709126A1 Interacting track parts |
| 09/06/1988 | US4768312 Rail grinding machine |
| 09/06/1988 | CA1241561A1 Pailhead profile grinder |
| 08/31/1988 | CN87215591U Hydraulic type automatic rail-planing machine |
| 08/23/1988 | US4765098 Rail cutting apparatus |
| 06/28/1988 | US4753556 Portable drill and clamping apparatus therefor |
| 06/21/1988 | US4751794 In-track rail base grinding apparatus |
| 06/15/1988 | CN87107259A Milling device for welding bead of railway rail bar |
| 05/17/1988 | US4744302 Mechanism for bending abutting rail section ends at rail joints in the operation of a track working machine |
| 05/04/1988 | EP0266167A1 Insitu energy beam processing of railroad track and equipment for increasing service lifetime |
| 04/19/1988 | US4738878 Injection of water soluble fungicide into spike holes |
| 04/12/1988 | US4736534 Ditcher method and apparatus |
| 04/07/1988 | WO1988002300A1 Tangential grinding machine |
| 02/04/1988 | DE3626148A1 Method for repairing fastenings of rails on wooden sleepers and boring tool for carrying out the method and coach screw for use with the method |
| 02/03/1988 | CN87200628U Rail heater with separable heating body and nixing chamber |
| 01/19/1988 | US4720032 Portable rail breaker |
| 10/13/1987 | CA1227930A1 Device for the continuous reprofiling of the head of at least one rail |
| 10/08/1987 | DE3618015C1 Guide-rail fastening system for machine tools - uses height-adjustable sleeves passing through holes in rail foot |
| 09/09/1987 | EP0235602A2 Process for measuring and grinding a rail head profile |
| 08/11/1987 | US4686341 Gas shield chamber for arc welding of rails |
| 07/07/1987 | CA1223804A1 Bending and straightening apparatus |
| 06/03/1987 | EP0223895A1 Device for the plastic bending of rail ends in the region of rail joints |
| 04/15/1987 | CN85106256A Rail repairing method under unblocked line condition with proper spray |
| 03/10/1987 | CA1218899A1 Rail lifting and breaking machine |
| 01/28/1987 | EP0141948B1 Method and device for the continuous rectification of the rails of a railway |
| 12/30/1986 | EP0205723A1 Mobile track-working machine and method for bending the ends of laid rails in the joint zone |
| 11/18/1986 | US4622781 Rail grinding machine |
| 11/11/1986 | US4621460 Machine for reshaping rail heads |
| 10/22/1986 | CN86102944A Gas shield chamber for arc welding of rails |
| 10/07/1986 | US4615150 Device for the in situ reprofiling of the head of at least one rail of a railroad track |
| 08/13/1986 | CN85202840U Zkj-1 portable diesel rail drilling machine |
| 08/06/1986 | CN85102315A Electromotive heating car for heat-treatment |
| 07/15/1986 | US4599878 Bending and straightening apparatus |
| 07/03/1986 | WO1986003810A1 Securing devices |
| 06/24/1986 | US4596092 Device for the continuous reprofiling of the head of at least one rail |
| 04/29/1986 | US4584798 Automated railway track maintenance system |
| 04/22/1986 | US4583895 Mobile machine for removing surface irregularities from a rail head of a railroad track |
| 04/22/1986 | US4583893 Reprofiling device for rails through continuous milling |
| 04/22/1986 | US4583327 Rail grinding car |
| 03/04/1986 | CA1201286A1 Continuous on track measuring device of the shape of the transverse profile of the useful portion of the head of at least one rail of a railroad track |
| 01/16/1986 | WO1986000378A1 Securing devices |
| 12/10/1985 | CA1197864A1 Ditcher method and apparatus |
| 12/10/1985 | CA1197687A1 Mobile rail grinding machine |
| 09/18/1985 | EP0154777A1 Device for the on-track rectification of the rail head of at least one rail of a railroad track |
| 09/17/1985 | US4541182 Measuring device of the transverse profile of the head of a rail |
| 08/28/1985 | EP0152424A1 Rail lifting and breaking machine |
| 08/13/1985 | US4534689 Mobile rail contouring machine |
| 06/26/1985 | EP0145919A1 Device for continuously reprofiling the head of at least one rail |
| 06/11/1985 | US4522323 Rail lifting and breaking machine |
| 06/11/1985 | US4522127 Railway tie plug driving apparatus |
| 05/22/1985 | EP0141948A1 Method and device for the continuous rectification of the rails of a railway |
| 02/14/1985 | WO1985000544A1 Rail lifting and breaking machine |
| 01/16/1985 | EP0131356A1 Apparatus for removing material from a workpiece |
| 01/08/1985 | US4492059 Grinding device for the reprofiling of a rail of a railway track |
| 01/01/1985 | US4490947 Mobile rail grinding machine |
| 12/12/1984 | EP0127935A1 Method of and apparatus for bending and straightening |
| 11/21/1984 | EP0125348A1 Machine for reprofiling rail heads |