Patents
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)
08/1984
08/14/1984US4464831 Method and device for fabricating insulated joints for railroad tracks
08/01/1984EP0114284A2 Device for continuously measuring the shape of the transversal profile of the useful part of the head of at least one rail of a railway track
07/1984
07/24/1984US4461604 Mobile machine for removing surface irregularities from rail heads
07/03/1984CA1170058A2 Rail contouring tool
06/1984
06/13/1984EP0110246A1 Rail grinding device movable over one or two rails
05/1984
05/22/1984CA1167698A1 Tie adz
05/22/1984CA1167647A1 Grinding device for the reprofiling of a rail of a railway track
04/1984
04/24/1984US4444345 Rail lifting and cutting machine
02/1984
02/07/1984CA1161646A1 Grinding device for the continuous reprofiling in situ of a railroad track
12/1983
12/20/1983US4420963 Impact rail forger
11/1983
11/22/1983US4416091 Grinding device for the continuous and in situ reprofiling of a railroad track
08/1983
08/30/1983CA1152746A1 Railway track maintenance machine for truing the head of railway track rails
08/17/1983EP0086050A1 Ditcher method and apparatus
08/02/1983US4396323 Mobile rail contouring machine
07/1983
07/12/1983CA1149616A1 Mobile rail contouring machine, method and tool
05/1983
05/17/1983US4383630 Rail lifting and cutting machine
04/1983
04/05/1983CA1143945A1 Method and mobile machine for removing surface irregularities from a rail head of a railroad track
02/1983
02/15/1983CA1141234A1 Apparatus for the replacement of rails of a track
02/08/1983US4372714 Method and mobile machine for removing surface irregularities from a rail head of a railroad track
01/1983
01/26/1983EP0070359A1 Apparatus for breaking down the grinding dust of a railway carriage provided with units for grinding rails
01/11/1983CA1139154A1 Device for setting transverse and endwise spacing of abutted rails
01/11/1983CA1139105A1 Mobile rail contouring machine
12/1982
12/28/1982US4365918 Mobile rail contouring machine
12/28/1982CA1138209A1 Mobile rail contouring machine
10/1982
10/26/1982CA1134204A1 Tie adzing machine and method
09/1982
09/21/1982CA1131913A2 Mobile machine for removing surface irregularities from rail heads
09/07/1982US4347688 Railroad rail grinding truck
06/1982
06/15/1982CA1125573A1 Mobile machine for removing surface irregularities from rail heads
05/1982
05/04/1982US4327785 Tie adz
03/1982
03/16/1982CA1119887A1 Adjustment means for the alignment and the gapping of two abutted rail sections
02/1982
02/03/1982EP0044964A1 Grinding machine for rectifying a rail of a railroad track
02/02/1982US4313382 Setting arrangement for alignment and gap between two rail ends
01/1982
01/26/1982CA1116998A1 Device for removing excess weld material from abutted rails after alumino-thermal welding
01/26/1982CA1116997A1 Transportable device for the removal of projecting excess weld material in rail joint-welding
01/12/1982US4309847 Machine for truing the bearing surface of the rails of a railroad track
01/12/1982US4309846 Mobile machine for removing surface irregularities from rail heads
12/1981
12/08/1981CA1113788A1 Mobile machine for removing surface irregularities from rail heads
11/1981
11/24/1981US4301738 Apparatus for the replacement of rails of a track
11/10/1981CA1112049A1 Rail grinding apparatus
10/1981
10/20/1981US4295764 Mobile machine for removing surface irregularities from rail heads
10/13/1981US4294046 Traveling tool carrier for severing railway spikes
10/13/1981US4294041 Mobile machines for removing surface irregularities from rail heads
07/1981
07/22/1981EP0032214A1 Rail head grinding machine for railway construction
07/08/1981EP0031480A1 Grinding device for the continuous reprofiling of a rail of a railway track
06/1981
06/30/1981US4275499 Apparatus for removing the surplus welding material
06/30/1981CA1103856A1 Timber preservative element and use thereof
06/23/1981US4274334 Machine for changing rails
06/09/1981US4272664 Mobile rail welding machine
04/1981
04/28/1981US4263797 Method of reclaiming used railroad spikes
02/1981
02/10/1981US4249346 Mobile rail grinding machine and method
02/10/1981CA1095250A1 Mobile rail grinding machine and method
11/1980
11/25/1980CA1090171A1 Mobile rail welding machine
11/11/1980US4232610 Mobile apparatus for laying railway track
10/1980
10/01/1980EP0016664A1 Apparatus for aligning and setting the gap between two rail-ends
09/1980
09/30/1980US4224874 Alert system in a mobile track surfacing machine
06/1980
06/03/1980US4205494 Rail grinding apparatus
04/1980
04/30/1980EP0010517A1 Method and devices for obtaining an even transition between the profiled surfaces of two profiled bars united into a longitudinal bar, and an application of this method
02/1980
02/26/1980US4189873 Machine for truing the bearing surface of the rails of a railroad track
01/1980
01/01/1980CA1068986A Mobile track tamping machine
12/1979
12/18/1979US4178724 Rail grinding system
12/04/1979US4176777 Setting arrangement for alignment and gap between two rail ends
06/1979
06/13/1979EP0002177A1 Rail grinding machine for grinding irregularities off the running surface of rails
05/1979
05/01/1979US4152185 Spike hole plugging material
02/1979
02/06/1979CA1047768A1 Machine for truing the bearing surface of a rail of a railroad track
01/1979
01/23/1979US4135332 Rail grinding machine
01/16/1979US4134546 Wood crossties with cellular plastic inserts
01/16/1979CA1046282A1 Rail grinding machine
01/09/1979CA1045821A1 Rail grinding machine
12/1978
12/12/1978CA1044020A1 Process and apparatus for truing the head of rails of a railway
10/1978
10/10/1978CA1039953A1 Process for on-track truing the surface of the head of the rails of a railway and apparatus for carrying it out
09/1978
09/26/1978CA1039087A1 Clamping apparatus for supporting a machining device
09/19/1978US4115857 Process and apparatus for on-track truing of the heads of rails of a railway
09/12/1978CA1038232A1 Apparatus for the continuous on-track truing of railway rails
08/1978
08/22/1978CA1037010A1 Spike hole plugging material
05/1978
05/30/1978US4091578 Process and apparatus for truing the head of rails of a railway
02/1978
02/21/1978US4074468 Apparatus for the continuous on-track truing of railway rails
01/1978
01/24/1978US4070201 Spike hole plugging material
09/1977
09/27/1977US4050196 Rail grinding machine
05/1977
05/03/1977US4020599 Abrading arrangement for a railway track
12/1976
12/28/1976US3999276 Method of laying railroad rail
11/1976
11/16/1976US3991638 Rail gun gauge assembly and method
08/1976
08/24/1976US3976239 Process for reconditioning worn frogs
08/17/1976US3974597 Rail base grinding method
08/17/1976US3974596 Machine tool for cutting-off rails
03/1976
03/23/1976US3945749 Clamping apparatus for supporting a machining device
03/23/1976US3945152 Rail head re-form grinding machine
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