Patents
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)
08/1981
08/11/1981US4282663 Track working machine with a ballast plow arrangement
08/11/1981CA1106698A1 Track surfacing machine and method
06/1981
06/30/1981US4275659 Apparatus for operating transport vehicles movable on a track carried by a train of railroad cars
05/1981
05/20/1981EP0028668A1 Train for stabilising a railway track
05/19/1981US4267777 Mobile ballast cleaning machine
05/19/1981CA1101276A1 Tamping tool
05/12/1981US4266615 Self-propelled ballast cleaning machine
05/12/1981US4266353 Device for plowing ballast
05/12/1981US4266352 Ballast side plow
05/12/1981US4266351 Center plow for railroad ballast
05/06/1981EP0028084A1 Apparatus and method for inserting a fabric web into the ballast of a rail road track
04/1981
04/28/1981US4263851 Mobile ballast cleaning machine
04/21/1981CA1099592A1 Mobile ballast cleaning machine
03/1981
03/31/1981US4258627 Ballast tamping
03/24/1981US4257331 Track surfacing machine
03/10/1981CA1097136A1 Apparatus and method for replacing rail fastening elements and, optionally, rails
02/1981
02/10/1981US4249468 Mobile track tamping machine
02/10/1981US4249325 Track working machine for distributing and shaping the ballast of a railroad bed
02/10/1981CA1095333A1 Mobile track leveling, lining and tamping machine
02/03/1981US4248155 Method for obtaining a controlled degree of ballast compaction in the tamping and leveling of a track
02/03/1981US4248154 Mobile track tamping machine with lifting and lining equipment
02/03/1981CA1094885A1 Mobile track surfacing machine
02/03/1981CA1094884A1 Mobile apparatus for continuously laying track
01/1981
01/20/1981US4245703 Mobile ballast cleaning machine
01/13/1981CA1093387A1 Method for removing ballast from railroad tracks
12/1980
12/23/1980US4240352 Mobile track tamper
12/10/1980EP0019984A1 Train for the renewal of a railway track
12/09/1980CA1091094A1 Mobile track tamper
12/09/1980CA1091093A1 Mobile track leveling, lining and tamping apparatus
12/09/1980CA1091092A1 Self-propelled track working machine
12/02/1980CA1090657A1 Apparatus for tamping or packing the bed of railway tracks
11/1980
11/25/1980US4235029 Machine for cleaning railway tracks
10/1980
10/28/1980CA1088375A1 High speed production tamper compactor
10/21/1980CA1087921A1 Ballast excavation chain arrangement
10/14/1980US4227324 Mobile apparatus for distributing and shaping ballast of a railroad bed
09/1980
09/30/1980US4224874 Alert system in a mobile track surfacing machine
09/09/1980US4221169 Track tamper
08/1980
08/26/1980US4218978 Apparatus for tamping or packing the bed of railway tracks
07/1980
07/29/1980CA1082521A1 Method and apparatus for obtaining a controlled degree of ballast compaction in the tamping and leveling of a track
07/08/1980CA1081048A1 Carriage for transport and spread of ballast and bench material for railroad embankment maintenance
07/01/1980CA1080545A1 Ballast regulator side plow
06/1980
06/17/1980CA1079574A1 Self-propelled ballast cleaning machine for on-and off-track work
05/1980
05/20/1980US4203493 Railway ballast cleaning apparatus
05/20/1980US4203367 Lift and line beam extension
04/1980
04/08/1980US4196532 Ballast regulator side plow
04/01/1980CA1074620A1 Mobile apparatus for continuous track renewal
03/1980
03/25/1980CA1074183A1 Device for the vertical and lateral displacement of railway track
03/19/1980EP0008743A1 Method for improving the vibration absorption of a railway track supported on a bed of ballast and a track structure obtained by applying such a method
03/18/1980CA1073661A1 Needle indicator for rail liner
03/11/1980US4192237 Mobile track surfacing machine
02/1980
02/26/1980US4190394 Method for loading and unloading railroad cars
02/05/1980US4186804 Ballast excavating chain arrangement
01/1980
01/23/1980EP0006870A1 Rail support with provision for ballast
01/15/1980CA1069763A1 Ballast cleaner
01/01/1980CA1068986A Mobile track tamping machine
01/01/1980CA1068985A Mobile leveling, lining and tamping machine
12/1979
12/18/1979US4178995 Self-propelled ballast cleaning machine for on- and off-track work
10/1979
10/31/1979EP0004985A1 Train for the renewal of a railway track
10/23/1979CA1064696A1 Process and apparatus for measuring the geometric state of a railway track during correction thereof
10/16/1979US4170942 Cellulose fibers, cottonseed hulls, activated caron, limestone
09/1979
09/11/1979US4167141 Percussive tool with replaceable work bit
09/11/1979CA1062082A1 Ballast cleaning device
08/1979
08/28/1979US4165694 Mobile track leveling, lining and tamping apparatus
08/28/1979US4165693 Mobile track leveling, lining and tamping apparatus
07/1979
07/31/1979CA1059373A1 Ballast tamping machine
07/10/1979US4160419 Tamping tool
07/10/1979US4160418 Mobile apparatus for continuous track renewal
07/03/1979CA1057580A1 Switch lifting frame
06/1979
06/19/1979CA1056758A1 Freight train
06/12/1979CA1056211A1 Tamping head
06/12/1979CA1056210A1 Apparatus for laying track
06/12/1979CA1056134A1 Apparatus for removing a tamping tool from its holder
05/1979
05/22/1979US4155176 Process and apparatus for measuring the geometric state of a railway track during correction thereof
05/08/1979US4152991 Ripping apparatus
05/08/1979US4152989 Mobile apparatus for continuously laying ties
03/1979
03/27/1979CA1051268A1 Track tamper and vibratory drive mechanism
01/1979
01/30/1979US4136618 Railroad lifting device for ballast cleaning and levelling machines
01/30/1979CA1047274A1 Method and apparatus for indicating the density of ballast
01/25/1979WO1979000031A1 Rail support with provision for ballast
01/23/1979CA1046850A1 Track ballast tamping unit
01/23/1979CA1046849A1 Mobile track tamping machine
01/23/1979CA1046848A1 Mobile track tamping machine
01/23/1979CA1046847A1 Reference system for a track working machine
01/16/1979US4134342 Ballast tamping apparatus
01/09/1979US4133388 Ballast cleaning and levelling machine
01/09/1979CA1045903A1 Endless ballast conveyor chain
01/09/1979CA1045902A1 Mobile track tamping and track position correction machine
01/09/1979CA1045901A1 Mobile track tamper
01/09/1979CA1045900A1 Ballast tamping implement on a mobile track tamper
01/09/1979CA1045899A1 Track surfacing
12/1978
12/19/1978US4130063 Tamping head
12/19/1978US4130062 Apparatus for obtaining a controlled degree of ballast compaction in the tamping and leveling of a track
12/12/1978CA1044076A1 Ballast tamping tool
12/05/1978CA1043631A1 Mobile apparatus for non-stop track leveling and ballast tamping
12/05/1978CA1043630A1 Mobile track tamper
12/05/1978CA1043629A1 Mobile track tamping machine
12/05/1978CA1043628A1 Mobile track tamping machine
12/05/1978CA1043627A1 Shoulder tamping lifting jack
11/1978
11/28/1978US4127069 Railroad track shifting machine with shift limiting device
11/14/1978US4125075 High speed production tamper compactor
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