Patents
Sitemap › E01 - Construction of roads, railways, or bridges › E01B - Permanent way; Permanent-way tools; Machines for making railways of all kinds › E01B 27 - Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
Patents for E01B 27 - Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers (2,756)
07/1984
07/03/1984US4457234 Track lifting and lining device
06/1984
06/19/1984US4454822 Gate assembly unit for ballast distribution from railroad car
06/05/1984US4452146 Railroad track tamper level control system
05/1984
05/29/1984US4450771 Mobile ballast cleaning machine
05/22/1984US4449459 Pivoting head continuous tamper
05/22/1984CA1167699A1 On-track, off-track track maintenance machine
05/22/1984CA1167697A1 Mobile track correction machine
05/01/1984US4445438 Ballast tamping tool unit
05/01/1984US4445437 Railway track tamping machine
04/1984
04/03/1984US4440089 Railway track ballast tamping device
04/03/1984US4440088 In the rock ballast road bed of a railroad track
03/1984
03/06/1984CA1163143A1 Mobile arrangement and method for improving a track bed
02/1984
02/21/1984US4432284 Mobile ballast cleaning machine
02/14/1984US4430946 Mobile machine and method for compacting ballast
02/14/1984US4430944 Mobile apparatus and method for cleaning ballast supporting a track
02/14/1984US4430813 Railroad track relaying machine comprising a plough
01/1984
01/31/1984US4428297 Railway track tamping machine
01/31/1984US4428296 In a relaying zone
01/17/1984US4425969 Rail-mounted ballast regulator machine
01/03/1984US4423684 Track levelling and tamping machine with hydraulic pressure control system
12/1983
12/21/1983EP0096236A1 Track conveyer waggon, transport train and method of loading and unloading materials for railroad construction
12/06/1983CA1158096A1 Ballast leveling apparatus and method
11/1983
11/29/1983US4417522 Mobil track correction machine
11/22/1983CA1157318A1 Method and apparatus for removing railway ties
11/22/1983CA1157317A1 Railroad tamping machine
11/02/1983EP0092886A1 Displaceable apparatus on rails for levelling and profiling ballast
11/01/1983CA1156092A1 Track working machine for distributing and shaping the ballast in a railroad bed
11/01/1983CA1156091A1 Track tamper
10/1983
10/05/1983EP0090098A1 Control device for a railway track construction or maintenance machine
09/1983
09/27/1983CA1154310A1 Ballast side plow
09/27/1983CA1154309A1 Device for plowing ballast
09/27/1983CA1154308A1 Centre plow for railroad ballast
09/20/1983US4404913 Tamping tool assembly
09/13/1983US4403430 Plough with lateral ejectors for displacing railway track ballast
09/06/1983CA1153249A1 Road/rail vehicle
08/1983
08/30/1983US4400897 Method and railway train for draining a railway track
08/23/1983US4399753 Mobile track correction machine
08/17/1983EP0086050A1 Ditcher method and apparatus
08/17/1983EP0085790A1 Railway track reconditioning train
08/02/1983US4395953 Railway track tamping machine
07/1983
07/19/1983US4393784 Apparatus for replacing rail fastening elements and, optionally, rails
07/19/1983US4393691 Rail vehicle for track investigation
07/12/1983CA1149675A1 Track ballast tamper
06/1983
06/21/1983US4389150 Apparatus for movably spreading material on a railroad embankment
06/07/1983US4386570 Maintenance of railway track
05/1983
05/24/1983US4384530 On-track, off-track track maintenance machine
04/1983
04/12/1983US4379371 Track skeletonizer
02/1983
02/01/1983US4370819 Apparatus for depositing and spreading ballast
01/1983
01/25/1983US4369712 Railroad tamping machine
01/25/1983CA1139995A1 Tamper tip for railroad tie tamping machines
12/1982
12/28/1982CA1138258A1 Self-propelled ballast cleaning machine
11/1982
11/16/1982CA1135564A1 Tamping device for the ballast of a railroad bed
11/16/1982CA1135563A1 Railroad ballast tamper
11/09/1982US4357874 Mobile arrangement and method for improving a track bed
11/09/1982CA1135121A1 Mobile track renewal apparatus with ballast lowering, planing and precompacting
11/02/1982US4357129 Self-propelled ballast dispensing machine
11/02/1982US4356771 Self-propelled track working machine
10/1982
10/26/1982US4355687 Ballast leveling apparatus and method
10/26/1982US4355579 Track tamper
10/19/1982CA1133760A1 Track working machine with ballast plow arrangement
09/1982
09/29/1982EP0061227A1 Ballast levelling machine movable along a track
09/15/1982EP0059800A1 Machine for renewing railway tracks, comprising a plough
09/14/1982CA1131502A1 Reconditioning rig for railroad beds and tracks
09/14/1982CA1131501A1 Mobile ballast cleaning machine
09/08/1982EP0059500A1 Ballast cleaning machine running on tracks
08/1982
08/04/1982EP0057128A1 Railroad tie renewing machine and method of using it
08/04/1982EP0057030A1 Railway track tamping machine
08/03/1982US4342165 Track working machine with a ballast removing and planing device
08/03/1982CA1129057A1 Apparatus for operating transport vehicles movable on a track carried by a train of railroad cars
07/1982
07/28/1982EP0056497A1 Frame wagon in a train for the subsoil stabilization of railway tracks
07/27/1982US4341160 Mobile machine for the treatment of railway tracks
07/27/1982CA1128369A1 Immersion depth control for ballast tamping tools
06/1982
06/22/1982CA1126092A1 Rail ballast tamper
06/15/1982US4334479 Method and apparatus for obtaining a controlled degree of ballast compaction in the tamping and leveling of a truck
06/15/1982CA1125719A1 Method for improving the vibration absorbtion of a railway track supported on a bed of ballast, a track structure obtained by applying such a method and sleepers for use with the method
06/08/1982CA1125097A1 Mobile track working machine
06/01/1982US4332200 Tamping device for railway tamping machine
05/1982
05/25/1982US4331082 Railway track tamper
05/19/1982EP0052089A1 Device for the mechanical handling of material on railway track embankments, particularly for handling ballast material
05/18/1982CA1123666A1 Maintenance of railway track
05/05/1982EP0050889A1 Railway track tamping device
05/04/1982US4327645 Tie tamper
05/04/1982CA1122851A1 Self-propelled track working machine and method of operation
04/1982
04/06/1982US4323014 Tie tamper
04/06/1982US4323013 Mobile track working machine
03/1982
03/16/1982US4319416 Method for draining a railway track and a railway train for use in said method
03/02/1982CA1119043A1 Mobile track working machine
02/1982
02/23/1982US4316416 Mobile apparatus for replacing old track ties by new track ties
02/16/1982US4315464 Tamper tip for railroad tie tamping machines
01/1982
01/26/1982US4312275 Immersion depth control for ballast tamping tools
01/20/1982EP0044284A1 Device for regulating the substructure of ballast on railway tracks
12/1981
12/29/1981US4307667 Railroad track relaying train
12/01/1981US4303199 Restored vibration isolation for railway tracks
10/1981
10/27/1981CA1111313A1 Mobile track tamping machine with lifting and lining equipment
09/1981
09/29/1981CA1109736A1 Mobile ballast cleaning machine
09/29/1981CA1109735A1 Mobile apparatus for distributing and shaping ballast of a railroad bed
09/29/1981CA1109734A1 Track tamper
09/08/1981CA1108551A1 Method of loading and unloading railroad cars
08/1981
08/18/1981US4284009 Motorized railway vehicle track working machine and method of operation
08/11/1981US4282815 Railroad tamping machine
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