Patents
Patents for E01B 29 - Laying, rebuilding, or taking-up tracks; Tools or machines therefor (3,515)
06/1989
06/07/1989CN1004434B Machinery for replacing rail and sleeper
05/1989
05/31/1989CN2038511U Safety mechanical track jack
05/16/1989US4829907 Mobile installation for loading, transporting and unloading as well as exchanging railroad ties
05/09/1989US4827848 Railway panel replacement method and apparatus with temporary track
04/1989
04/20/1989DE3820656A1 Installation and method for position correction of a track structure capable of being sealed in on a longitudinal concrete strip
04/19/1989CN2036192U Hydraulic lining device
04/11/1989CA1252455A1 Dual claw spike puller
03/1989
03/29/1989CN1032049A Sleeper relaying machine
03/28/1989US4815188 Device for removal of a rail connector
03/22/1989CN1031820A Synchronous long-rail positioning hoister
03/07/1989US4809614 For exchanging old tires in railroad track for new tires
02/1989
02/14/1989US4804165 Stake pulling apparatus
01/1989
01/31/1989US4800817 Rail joint alignment system and method of connection
01/03/1989US4794861 Tie exchange method
12/1988
12/14/1988EP0294700A2 Railcar for renovating railways
11/1988
11/15/1988US4784063 Mobile apparatus for loading, transporting and laying an assembled track section
10/1988
10/18/1988US4778106 Stud, arc shield and rail clip for securing railroad rails
10/18/1988US4777885 In a railroad track repair machine
10/12/1988EP0285847A1 System for the continuous relative self-alignment of rails on sleepers
10/11/1988CA1242932A1 Railway train set for the renewal of railway tracks, with support and advancement guide means
10/05/1988EP0285492A1 Railway vehicle for track-laying
10/04/1988US4774890 Mobile track renewal installation
09/1988
09/29/1988DE3709390A1 Screwing machine for work on railway rails
09/27/1988US4773332 Mobile apparatus for loading, transporting and laying an assembled track section
09/13/1988US4770103 Method and apparatus for exchanging railway cross ties with rail clamping mechanism to prevent rail flexure
09/06/1988CA1241569A1 Spike driving machine including improved rail clamping apparatus
08/1988
08/09/1988US4762263 Small-sized gas pressure welding machine for rails with two separate mechanisms for punching-shearing excess metal
08/03/1988EP0276646A1 Installation for taking-up or laying as well as transporting lengths of assembled track
07/1988
07/07/1988DE3644540A1 Rail-joint aligning device for aligning the facing ends of railway and tramway rails
06/1988
06/28/1988CA1238523A1 Mobile track working machine
06/28/1988CA1238522A1 Travelling railroad tie removal machine
06/14/1988CA1237946A1 Combined switch and production clamp
06/01/1988CN87101437A Hydralic square-positioning apparatus for rail-tie laying
05/1988
05/17/1988US4744302 Mechanism for bending abutting rail section ends at rail joints in the operation of a track working machine
05/17/1988CA1236724A1 Method for the renewal of a railroad switch or crossing and train for carrying out the method
04/1988
04/27/1988CN87202680U Multifunctional small sized welder
04/06/1988EP0262703A1 Mechanical positioner device
04/06/1988EP0262701A1 Device to feed and position bolts for the coupling of rails to sleepers
04/06/1988EP0262697A1 Device to feed and position washers
03/1988
03/16/1988CN87203236U Rail gap regulator with securing pin
03/15/1988CA1234014A1 Rail maintenance machine the chassis of which is equipped with a device for lifting and shifting a railway track
02/1988
02/11/1988DE3708549A1 Method and installation for fitting and removing track lengths
02/10/1988EP0255564A1 Machine for replacing or renewing the rails and sleepers of an existing track
02/03/1988CN87200628U Rail heater with separable heating body and nixing chamber
02/03/1988CN87200031U Hydraulic track laying device
02/03/1988CN87104397A Machinery for replacing rail and sleeper
02/02/1988US4722283 Magnetic pick up system for rail beds and method
01/1988
01/20/1988EP0253634A2 Rail welder
01/20/1988CN87104948A Improved suspended rail welder
01/05/1988US4716836 Suspended rail welder
12/1987
12/02/1987CN86103599A Hydraulic track winch
12/01/1987CA1229766A1 Railroad measuring gauging and spiking apparatus
11/1987
11/03/1987US4703890 Components for ballast-less railroad lines laid on pre-fabricated reinforced concrete slabs
11/03/1987US4703568 Mobile track working machine operator cab arrangement
09/1987
09/16/1987CN87101709A Method of clamping rails for pressure welding the same and clamping apparatus therefore
09/08/1987US4691639 Rail tie plate placing vehicle and method
07/1987
07/01/1987EP0227295A1 Relaying railway switches
06/1987
06/23/1987US4674730 Aligning rail ends for welding
06/02/1987US4669387 Machine for positioning fixing elements on prior laid tracks
05/1987
05/26/1987CA1222243A1 Removing elastic rail fasteners
05/14/1987DE3539225A1 Method of installing a track grid
03/1987
03/10/1987CA1218899A1 Rail lifting and breaking machine
02/1987
02/17/1987US4643100 Railway train set for the renewal of railway tracks, with support and advancement guide means
02/10/1987US4641818 Apparatus for adjusting two butt-ends of rails to be connected by welding
01/1987
01/20/1987US4637314 Railroad spike resinstallation apparatus
01/20/1987CA1216764A1 Aligning rail ends for welding
12/1986
12/30/1986EP0205723A1 Mobile track-working machine and method for bending the ends of laid rails in the joint zone
12/23/1986CA1215584A1 Ballast cleaning machine
12/09/1986US4627359 Method for the renewal of a railroad switch or crossing and train for carrying out the method
10/1986
10/14/1986US4616395 Railroad track fixation method and apparatus
10/08/1986EP0196701A1 Machine for handling and replacing rail switches, and track sections generally
09/1986
09/09/1986CA1210993A1 Telescopic track renewal machine
09/02/1986US4608928 Track-bound carriage for an assembled track section
08/1986
08/19/1986US4606274 Travelling railroad tie removal machine
08/06/1986CN85202854U Two-way hydraulic rail-clamping crosstie-directing unit
08/05/1986CA1208979A1 Rail fastener applicator
07/1986
07/22/1986CA1208048A1 Field welding apparatus for head-hardened rails
07/02/1986CA1206808A Train for laying a new railroad track
07/02/1986CA1206734A Apparatus for placing elongate electrical insulators on the flanges of railway rails
06/1986
06/04/1986EP0182958A1 Track-handling apparatus for a railroad track section
05/1986
05/28/1986CN85201620U Miniature hydraulic adjuster for sleeper
05/20/1986US4589343 Rail maintenance machine the chassis of which is equipped with a device for lifting and shifting a railway track
04/1986
04/08/1986US4580501 Removing elastic rail fasteners
04/08/1986US4580338 Apparatus for positioning electrical insulators in making a railway rail-and-fastening assembly
04/01/1986US4579061 Spike driving machine including improved rail clamping apparatus
04/01/1986US4579060 Tie exchanger with compound clamping head
02/1986
02/25/1986US4571825 Railroad track removing apparatus
02/25/1986CA1201141A2 Clamp for railroad track rail
02/25/1986CA1201017A2 Railroad tie dislodging apparatus
02/25/1986CA1201015A2 Railroad track conveying apparatus
02/11/1986US4569290 Carriage
02/05/1986EP0170631A2 Components for railway lines on pre-fabricated reinforced concrete slabs without ballast
01/1986
01/29/1986EP0169753A2 Drive mechanism for the tool-carrying spindle of a sleeper-screwing machine
01/28/1986US4566389 Mobile apparatus and method for receiving and transporting an assembled track section
01/21/1986US4565133 Clamp arrangement for track lifting and aligning device
01/15/1986EP0168103A2 Track-renewal train unit
01/15/1986EP0168101A2 Train for the renewal of tracks provided with supporting and guiding means for its advance
01/14/1986CA1199226A1 Railroad track removing apparatus
12/1985
12/03/1985US4556164 Method of field welding head-hardened rails
11/1985
11/27/1985EP0162750A1 Method and apparatus for renewing railway switches
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