| Patents for E01B 29 - Laying, rebuilding, or taking-up tracks; Tools or machines therefor (3,515) |
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| 09/17/1991 | US5048424 Tie replacer and method |
| 09/12/1991 | DE4007710A1 Railway track-laying system in tunnel - forms floor with same transverse inclination as track |
| 09/10/1991 | US5046270 Mobile ballast clearing and planing machine |
| 08/13/1991 | US5038914 Automatic tie plate sorting conveyor |
| 08/07/1991 | CN1053651A Hydraulic sleeper rectifier with strut |
| 08/06/1991 | CA1287263C Mobile track renewal machines |
| 08/06/1991 | CA1287262C Mobile apparatus for loading, transporting and laying an assembled track section |
| 08/06/1991 | CA1287261C Mobile track renewal installation |
| 06/25/1991 | US5025733 Railroad support tie replacement device with track locking device |
| 06/18/1991 | US5024380 Method and apparatus for continuous welded rail |
| 06/12/1991 | EP0431092A1 Process for continuous welding of track sections, and set of wagons especially equipped for its implementation. |
| 06/12/1991 | CN1012830B Improved suspended rail welder |
| 06/07/1991 | CA2030932A1 Rail fastener applicator |
| 06/05/1991 | CN2078264U Special railway vehicle laying whole set of railway points |
| 05/29/1991 | CN2077875U Quick laying safety device for hydraulic rail connector |
| 05/22/1991 | CN2077354U Vertical bolt spanner |
| 05/08/1991 | CN1012582B Method of clamping rails for pressure welding same and clamping apparatus therefore |
| 04/24/1991 | CN1050916A Unit for laying sleepers |
| 04/17/1991 | EP0422578A1 Apparatus for laying sleepers |
| 04/02/1991 | US5003888 Rail fastener applicator |
| 03/20/1991 | CN2073573U Portable screw spike heating furnace |
| 03/19/1991 | US4999898 Rail anchor tool |
| 03/13/1991 | CN1049881A Apparatus with resilient clips for fastening rails on concrete sleepers, or the like |
| 02/20/1991 | CN1011719B Rail pulling and shifting plant |
| 02/20/1991 | CN1011718B Rapidly assembling and disassembing railway |
| 02/12/1991 | CA1280102C Components for ballast-less railroad lines laid on pre-fabricated reinforced concrete slabs |
| 01/30/1991 | CN2070317U Hydraulic rail sleeper moving corrector |
| 01/30/1991 | CN2070316U Heavy rail cross direction moving device |
| 01/16/1991 | CN2069431U Portable chamfering device for rail bolthole |
| 01/16/1991 | CN1011250B Sleeper relaying machine |
| 01/09/1991 | EP0407240A1 Device and aluminothermic welding, crucible and its structure entering crucible covering cap |
| 01/08/1991 | US4983801 Rail tensioning apparatus |
| 01/02/1991 | EP0404991A1 Laying rail sleepers |
| 12/25/1990 | US4979247 Railroad track renewal train |
| 12/12/1990 | EP0401424A1 Rail-fastening system on concrete sleepers or similar by means of elastic clips |
| 12/06/1990 | DE3918091A1 Schienenbefestigung auf betonschwellen od. dgl. mittels elastischer spannklemmen Rail mounting on concrete sleepers od. Like. By elastic connect terminals |
| 12/04/1990 | US4974518 Automatic tie plate setting machine |
| 11/27/1990 | CA1276836C Relaying railway switches |
| 11/24/1990 | WO1990014470A1 Process for continuous welding of track sections, and set of wagons especially equipped for its implementation |
| 11/21/1990 | CN2066035U Anti-loosing piercing pin type anticreeper |
| 11/13/1990 | US4969248 Method for removal of a rail connector |
| 11/07/1990 | CN2065202U T-shaped anticreeper with drift pin |
| 10/31/1990 | CN1010237B Synchronous long-rail positioning hoister |
| 09/26/1990 | EP0388573A1 Articulated train for renewing railway tracks |
| 09/26/1990 | CN1009745B Hydraulic track winch |
| 09/25/1990 | CA1274407A1 Small-sized gas pressure welding machine for rails with two separate mechanisms for punching-shearing excess metal |
| 09/11/1990 | US4955302 Mobile tie gang apparatus |
| 09/11/1990 | US4955301 Tie exchange machine |
| 09/05/1990 | EP0385828A1 Arrangement for maintaining a track for rail laying portal cranes, and method for laying a track by means of said arrangement |
| 08/29/1990 | CN2061183U Portable single rail sleeper relaying machine |
| 08/28/1990 | US4951573 Tie remover and inserter |
| 07/25/1990 | EP0379148A2 Method of and device for constructing a ballastless superstructure |
| 07/24/1990 | US4942822 Method and apparatus for automatically setting rail tie plates |
| 07/10/1990 | US4940001 Rail spike cleaning apparatus |
| 07/10/1990 | US4939998 Ballast tamping machine |
| 06/13/1990 | CN1042960A Travelling track tamping, lifting and lining machine for lifting and/or laterally shifting a track at switches and crossings |
| 06/07/1990 | DE3840795A1 Method for producing a ballastless railway superstructure, and precast parts and device for carrying out the method |
| 05/29/1990 | US4929816 Electric flash-butt welding machine and method of providing a welded joint between adjacent ends of rail sections |
| 05/29/1990 | US4928600 Railroad spike holding apparatus with acute angled jaws |
| 05/08/1990 | US4924042 Railcar for renovating railways |
| 03/29/1990 | DE3832156A1 Shaped jaw and device for welding railway rails and superstructure sections using rod or wire electrodes |
| 03/28/1990 | CN1040837A Travelling on-track machine arrangement for inserting or removing sleepers |
| 03/27/1990 | US4911599 Mobile installation for loading, transporting and unloading |
| 03/20/1990 | US4909375 Automatic tie plate sorting conveyor |
| 03/20/1990 | CA1266792A1 Suspended rail welder |
| 03/06/1990 | US4905604 Mobile switch leveling, lining and tamping machine |
| 02/28/1990 | EP0355240A1 Train for renewing a railway track |
| 02/27/1990 | US4903611 Anchor spreader apparatus and method |
| 02/27/1990 | US4903608 Machine for laterally displacing a track |
| 01/23/1990 | US4895078 System for the continuous reciprocal self-alignment of rails on sleepers |
| 01/18/1990 | DE3824132A1 Method for joining a track grid to a superstructure forming a solid travel way for railways |
| 01/17/1990 | EP0350597A2 Arrangement for the complex realisation and the ideal bedding of railway tracks with large panels |
| 01/17/1990 | CN1038852A Method and apparatus for rebuilding railway |
| 01/09/1990 | US4892040 Ballast tamping machine |
| 01/03/1990 | EP0348585A1 Arrangement of machines moving along a track for laying or removing sleepers |
| 01/02/1990 | US4890558 Anchor spreader |
| 12/05/1989 | US4884509 Mobile tie gang apparatus |
| 11/23/1989 | EP0342306A1 Machine for laterally shifting a railroad comprising rails and transverse sleepers |
| 11/07/1989 | US4878435 Mobile tie exchange machine arrangement |
| 10/10/1989 | US4872646 Railroad tie replacement apparatus |
| 09/26/1989 | CA1261363A1 Method of clamping rails for pressure welding the same clamping apparatus therefore |
| 09/20/1989 | CN1035694A Flash butt welding machine and method for welding, particularly two butt joint of rail bar on track |
| 09/19/1989 | US4867068 Railway train set for the renewal of railway tracks |
| 09/05/1989 | US4862806 Mobile tie gang apparatus and tie exchange method |
| 08/30/1989 | CN1035148A Rapidly assembling and disassembling railway |
| 08/29/1989 | US4860727 Mobile rail heater and method for expanding rails |
| 08/24/1989 | DE3838105A1 Facility for adhesively bonding a track skeleton formed from sleepers and rails on a concrete track substructure |
| 08/24/1989 | DE3810700A1 Method for producing a superstructure for railways |
| 08/16/1989 | CN1034772A Rail pulling and shifting plant |
| 08/09/1989 | EP0326794A1 Method for the electric butt-welding of the two reciprocally contacting ends in the gap region of a laid railway track |
| 08/09/1989 | EP0326793A1 Apparatus for the electric butt-welding of the two reciprocally contacting ends in the gap region of a laid railway track |
| 08/08/1989 | US4854243 Mobile track renewal machine |
| 08/08/1989 | CA1258223A1 Mechanism and method for bending abutting rail section ends at rail joints in the operation of a track working machine |
| 07/18/1989 | US4848426 For railroad track maintenance |
| 07/12/1989 | CN2040918U Safety pin for rail gap adjuster |
| 06/20/1989 | US4841116 Combination of submerged arc welding and electroslag welding using direct current, filler wire of certain diameter, fused flux |
| 06/15/1989 | WO1989005254A1 A method and a loading machine for loading and/or unloading railway cars |
| 06/13/1989 | CA1255540A1 Track-bound carriage for an assembled track section |
| 06/07/1989 | CN2038917U Spacing device of track clamping plate in track-gap adjustor |
| 06/07/1989 | CN2038916U Adjuster for track chink |