| Patents for E01B 35 - Applications of measuring apparatus or devices for track-building purposes (1,169) |
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| 08/25/1992 | US5140776 Apparatus and method for measuring and maintaining the profile of a railroad track rail |
| 08/05/1992 | EP0497232A2 Railway track machine for the controlled lowering of a track |
| 08/04/1992 | US5134808 Method of programming and performing the reprofiling of rails of a railroad track and railroad vehicle for carrying out the same |
| 07/08/1992 | CN1062570A Track maintenance machine for controlled lowering of track |
| 07/07/1992 | US5127333 Track maintenance machine for compacting ballast |
| 06/04/1992 | DE4038860A1 Control system for track and road construction machine - has laser measurement of height and position to generate curved path |
| 05/20/1992 | EP0453500A4 Apparatus and method for measuring and maintaining the profile of a railroad track rail |
| 05/19/1992 | US5113767 Continuous action ballast compacting machine |
| 05/06/1992 | CN2103592U High-intelligent dynamic checking instrument for track |
| 04/29/1992 | CN2102952U Intelligent track dynamic checking instrument |
| 04/15/1992 | CN1060265A Arrangements for railway frametool |
| 04/08/1992 | CN1016195B Track maintenance machine with track stabilizer |
| 04/08/1992 | CN1016194B Travelling track tamping, lifting and lining machine for lifting and/or laterally shifting a track at switches and crossings |
| 04/01/1992 | EP0478531A1 Device for placing on rails a tool-carrying frame |
| 03/31/1992 | US5101358 Method of programming and performing the reprofiling work of rails of a railroad track and a device to carry out the same |
| 03/11/1992 | CN2098417U Portable over-load meter for train |
| 03/10/1992 | US5094004 Railroad track gager/leveler/linear measurer |
| 02/25/1992 | US5090329 Reference system for track working machine |
| 02/11/1992 | US5086705 Linear positioning system |
| 01/29/1992 | EP0468397A1 Measurement line for railway vehicles |
| 01/22/1992 | EP0467833A1 Method for the neutralising of railway rails in-situ |
| 01/15/1992 | EP0466652A1 Apparatus for the neutralisation of new railway rails |
| 01/14/1992 | CA2046942A1 Process and device for the neutralisation of the rails of railway tracks |
| 01/14/1992 | CA2046941A1 Process and installation of on-track neutralisation of the rails of a railway |
| 01/08/1992 | CN2092556U Calculating disc for rail gap |
| 11/13/1991 | CN2088562U Track gage measuring instrument |
| 10/30/1991 | EP0453500A1 Apparatus and method for measuring and maintaining the profile of a railroad track rail. |
| 10/15/1991 | CA1290619C Railway track renewal system featuring a new sleeper-only supported articulated unit |
| 10/01/1991 | US5053701 Device for measuring the spacing between aligned rails |
| 09/11/1991 | CN1054461A Continuously advancing track maintenance machine for consolidating ballast bed of railroad track |
| 09/11/1991 | CN1054460A Continuously advancing track maintenance machine for consolidating ballast bed |
| 09/11/1991 | CN1054459A Track maintenance machine for consolidating the ballast bed |
| 08/28/1991 | CN1013694B Track inspection car |
| 08/07/1991 | CA2033866A1 Track maintenance machine for compacting ballast |
| 08/06/1991 | US5036594 Method and apparatus for gauging the corsslevel and warp of railroad tracks |
| 06/25/1991 | US5025566 Portable |
| 06/04/1991 | US5020371 Device for the precise transverse positioning for a member displaceable along a rail of a railway track with respect to said rail |
| 05/08/1991 | CN1051220A Reference system for railway track machines |
| 05/02/1991 | EP0424811A1 Reference system for railway track working machines |
| 04/30/1991 | US5012413 Railroad track curve lining apparatus and method |
| 04/23/1991 | US5009014 Railroad rail profile measuring system |
| 03/27/1991 | EP0418522A1 Process for programming the reshaping of railway rails and simultaneous or delayed rail grinding and apparatus for performing the process |
| 03/20/1991 | EP0417452A1 Process for programming railway rails reshaping work and/or reshaping of said rails and apparatus for performing said process |
| 01/22/1991 | US4986498 Device for determining the condition of railway switches or railway crossings |
| 12/12/1990 | EP0401260A1 A method of and an equipment for determining the position of a track. |
| 11/20/1990 | US4970773 Method of and apparatus for locating operational surfaces on a track electromagnetically levitated vehicles |
| 10/30/1990 | US4965940 Method and apparatus for aligning a sawmill guide rail |
| 10/25/1990 | DE3913159A1 Measuring wave-shaped rail deformation - using vehicle with two sensors measuring height difference of two rail top points |
| 09/30/1990 | CA2013069A1 Method and apparatus for aligning a sawmill guide rail |
| 09/04/1990 | US4953467 Track surfacing machine with track stabilization |
| 08/22/1990 | EP0383749A2 Apparatus for the surveillance of the surface gaps in rail joints, for example dilatation joints |
| 08/22/1990 | EP0383477A1 Railway rail profile measuring apparatus |
| 08/15/1990 | CA2010016A1 Device for monitoring the distance of the front surfaces of rails, for example in connection with dilatation junctions |
| 08/07/1990 | CA2007772A1 Railroad rail profile measuring system |
| 07/26/1990 | WO1990008012A1 Apparatus and method for measuring and maintaining the profile of a railroad track rail |
| 07/25/1990 | EP0378781A1 Method and device for the contactless measurement of the deformation and wear of railroad tracks; method for the measurement of the gauge on railroad tracks |
| 07/10/1990 | CA1271325A1 Apparatus and method for measuring the wear of railroad rail |
| 06/28/1990 | DE3844663A1 System for monitoring and/or controlling rail-borne traffic |
| 06/27/1990 | EP0374395A2 Method and apparatus for precisely positioning a part displaced along a rail transversely to this rail |
| 06/20/1990 | CN1043179A Track maintenance machine with track stabilizer |
| 06/13/1990 | CN1042960A Travelling track tamping, lifting and lining machine for lifting and/or laterally shifting a track at switches and crossings |
| 05/22/1990 | CA1269436A1 Mobile machine for measuring track parameters |
| 03/06/1990 | US4905604 Mobile switch leveling, lining and tamping machine |
| 01/24/1990 | CN1039081A Track inspection car |
| 01/03/1990 | CN1038476A Non-contact measurer of rail nonstraightness |
| 11/30/1989 | DE3914740A1 Track measuring device for measuring a lower structure gauge light (structure clearance) |
| 11/29/1989 | EP0344145A1 Device for detecting the condition of rail switches or crossings |
| 09/27/1989 | CN2044996U Apparatus for measuring steel rails |
| 09/19/1989 | US4867068 Railway train set for the renewal of railway tracks |
| 08/30/1989 | EP0329918A1 Method for the restoration of a railroad track |
| 08/24/1989 | WO1989007688A1 A method of and an equipment for determining the position of a track |
| 06/21/1989 | CN2039648U Controlled changeover device for electric switch in site |
| 04/26/1989 | CN2036546U Track detecting apparatus |
| 04/20/1989 | DE3820656A1 Installation and method for position correction of a track structure capable of being sealed in on a longitudinal concrete strip |
| 01/03/1989 | US4794697 Void/lift meter |
| 12/14/1988 | CN88206515U Non-contact rail nonstraightness meter |
| 11/30/1988 | EP0293015A1 Device for the command of a railway track levelling and aligning machine |
| 10/11/1988 | CA1242875A1 Apparatus and method for measuring the wear of railroad rail |
| 07/28/1988 | DE3700806A1 Automatic control system for the aligning member of a track-aligning machine |
| 07/20/1988 | CN87214075U Safe hydraulic rail-gap adjuster |
| 06/28/1988 | CA1238521A1 Apparatus for correcting the level and cross level of a track |
| 04/20/1988 | EP0264033A1 Railway work yard machine |
| 03/16/1988 | EP0260126A2 Void/lift meter |
| 02/16/1988 | US4724653 Process for repairing or laying a railroad track |
| 02/10/1988 | CN86207824U Contact line and rail measuring apparatus |
| 10/27/1987 | CA1228656A1 Railroad correction apparatus |
| 09/12/1987 | CN86200286U Automatic bending and subsiding measurement apparatus |
| 09/08/1987 | US4691565 Mobile machine for measuring track parameters |
| 05/06/1987 | CN85107962A Temperature compensated scale and rail clamped pointer |
| 04/15/1987 | CN85107450A Curve-setting board |
| 04/07/1987 | US4655142 Apparatus for correcting the level and cross level of a track |
| 04/07/1987 | US4654973 Railroad track gage |
| 03/11/1987 | EP0213253A1 Mobile track machine for measuring respectively recording or correcting the track position with laser beams respectively laser plans |
| 01/07/1987 | EP0207197A1 Method for the renewing or laying of a railway track |
| 12/02/1986 | US4625412 Apparatus and method for measuring the wear of railroad rail |
| 08/06/1986 | EP0189621A1 Rail-borne apparatus for measuring and recording the parameters of the roadway track or of the carrier vehicle, the position of trolley wires and the roadway clearance, and for correcting the position of the track |
| 05/07/1986 | CN85201947U Automatic measuring superelevation gauge |
| 04/15/1986 | CA1203123A1 Railway work machine |
| 04/15/1986 | CA1203122A1 Railway work machine |
| 03/25/1986 | US4577494 Apparatus and method for measuring the wear of railroad rail |