| Patents for E01B 35 - Applications of measuring apparatus or devices for track-building purposes (1,169) |
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| 12/10/1998 | DE19721915C1 Verfahren und Vorrichtung zur Messung von Unebenheiten in einer Objektoberfläche Method and apparatus for measuring irregularities in an object surface |
| 12/03/1998 | WO1998054543A1 Measurement of grooves and long waves on rails with a longitudinal streak of light |
| 08/11/1998 | US5791063 Automated track location identification using measured track data |
| 07/30/1998 | WO1998033038A1 Device for detecting rail junctions |
| 06/25/1998 | DE19652627A1 Dynamic control of movement of continuously moving machine producing esp. road construction or concrete products |
| 06/17/1998 | CN2284258Y Square aluminium tube folding gauging rule |
| 04/23/1998 | DE19702072C1 Device for detecting railway branches |
| 02/24/1998 | US5721685 Digi-track digital roadway and railway analyzer |
| 01/21/1998 | EP0819196A2 Method and apparatus for non-contact measuring of the deflection of roads or rails |
| 11/12/1997 | EP0806523A1 Machine for obtaining a rated railway track |
| 09/30/1997 | US5671540 For railroad and trolley cars |
| 08/26/1997 | US5660112 Work car for track maintenance operations |
| 08/14/1997 | DE19602694A1 Ballast free sleeperless track construction method for railway |
| 06/25/1997 | EP0780514A1 Method of correct positioning of space processing equipment and device for the execution of the method |
| 05/14/1997 | EP0453500B1 Method for measuring and maintaining the profile of a railroad track rail |
| 03/25/1997 | US5613442 Arrangement and method for mesuring and correcting the line of a track |
| 02/25/1997 | US5605099 Maintenance vehicle and method for measuring and maintaining the level of a railroad track |
| 02/04/1997 | US5598782 Methods of railway track maintenance |
| 01/07/1997 | US5591915 System for the continuous measurement of the resistance of a track to transverse displacement |
| 12/11/1996 | CN2242451Y Sensor for pressure on pillow |
| 11/13/1996 | CN1135553A Working vehicle for track operation |
| 10/30/1996 | EP0739685A2 Measuring and maintaining the profile of a railroad track trail |
| 10/10/1996 | WO1996031655A1 Method and apparatus for non-contact measuring of the deflection of roads or rails |
| 10/02/1996 | EP0735189A1 Method for producing a ballastless track superstrucure for at least one railway track |
| 09/18/1996 | EP0732451A1 Work vehicle for carrying out railway work |
| 08/14/1996 | EP0725861A1 Arrangement and method for measuring and correcting the line of a track |
| 07/17/1996 | EP0722013A1 Method and apparatus for carrying out railway track works |
| 05/30/1996 | DE4441349A1 Support for survey system, for use in railway track surveying |
| 05/29/1996 | EP0559850B1 Process for measuring railway lines |
| 04/25/1996 | DE4436260A1 Procedure for attachment of rails on ballast=less railway permanent way |
| 04/04/1996 | DE19536332A1 Evaluating condition of railway lines |
| 02/21/1996 | EP0643786B1 Methods of railway track maintenance |
| 02/20/1996 | US5493499 Method for determining the deviations of the actual position of a track section |
| 01/24/1996 | CN1030788C Track maintenance machine for controlled lowering of track |
| 01/24/1996 | CN1030787C Track maintenance machine for lowering trace incontrolled manner |
| 01/17/1996 | CN1114994A A method for continuously measuring the lateral resistance of a track |
| 01/09/1996 | US5481982 Track surfacing machine and method for correcting the track geometry based on track cant and measured lining force |
| 01/04/1996 | DE4421741A1 Rail height difference measuring system for rail tracks esp. laid in underground mining |
| 12/27/1995 | EP0688902A1 Continuous measuring method of the resistance to lateral displacement of a railway track |
| 11/29/1995 | CN2213747Y Switch locking transducer |
| 11/29/1995 | CN2213746Y Electric switch detecting apparatus |
| 11/29/1995 | CN1112624A Upper constructural system of crushed-stoneless rail way used at least one rail and production of same |
| 10/11/1995 | EP0676504A1 Ballastless track superstructure for at least one railway track and method of performance |
| 09/06/1995 | CN2206800Y Electric circuit trouble checking instrument for rail |
| 08/30/1995 | EP0668988A1 Process and device for acquiring profile and railway data |
| 08/17/1995 | DE4344145C1 Railway track maintenance and construction machine |
| 07/12/1995 | EP0662174A1 Adjusting pile |
| 07/12/1995 | CN1105082A A track maintenance machine for correcting the track geometry |
| 06/01/1995 | WO1995014817A1 Methods of railway track maintenance |
| 06/01/1995 | DE4340254A1 Detecting the state of superstructure, foundations and foundation soil of railway track |
| 05/10/1995 | EP0652325A2 Railbroad maintenance machine for correcting the position of the track |
| 04/05/1995 | CN1028128C Method for determining deviations of actual position of track section |
| 03/22/1995 | EP0643786A1 Methods of railway track maintenance. |
| 11/02/1994 | CN1026428C Continuously advancing track maintenance machine for consolidating the ballast bed of a railroad track |
| 11/02/1994 | CN1026427C Continuously advancing track maintenance machine for consolidating the ballast bed |
| 10/20/1994 | DE4411945A1 Portable measuring instrument for determining the camber of a track |
| 10/12/1994 | EP0619401A1 A method and a device for adjusting the position of elongated elements, especially railway tracks |
| 07/26/1994 | US5331745 Process and apparatus for surveying a railway track for any deviation from a track survey plan |
| 07/12/1994 | CA2113128A1 Method and a device for adjusting the position of elongated elements, especially railway tracks |
| 07/07/1994 | WO1994015024A1 Arrangement and method for measuring and correcting the line of a track |
| 06/07/1994 | CA1330120C Device for determining the condition of railway switches or railway crossings |
| 05/26/1994 | WO1994011705A1 Process and device for acquiring profile and railway data |
| 04/20/1994 | EP0401260B1 A method of and an equipment for determining the position of a track |
| 04/12/1994 | US5301548 Track measuring car |
| 03/31/1994 | DE4238034C1 Verfahren und Vorrichtung zum inspektierenden, berührungslosen Abtasten der unmittelbaren Umgebung einer Gleisstrecke hinsichtlich bestimmter Meßkriterien Method and apparatus for inspektierenden, contactless sensing of the immediate environment of a railway track section with regard to certain measurement criteria |
| 02/02/1994 | CN2154848Y Guideway correcting rule |
| 01/05/1994 | CN2151913Y Geometry parameter measuring device for electric railway contact net |
| 12/29/1993 | CN1023334C Arrangements for railway frametool |
| 12/23/1993 | WO1993025760A1 Methods of railway track maintenance |
| 12/07/1993 | CA2000550C Device for the precise transverse positioning for a member displaceable along a rail of a railway track with respect to said rail |
| 11/02/1993 | US5257579 Continuous action machine for compacting ballast |
| 10/19/1993 | US5255066 Measuring device for track building machines |
| 09/21/1993 | CA1322297C Mobile switch leveling, lining and tamping machine |
| 09/21/1993 | CA1322295C Track surfacing machine with track stabilization |
| 09/15/1993 | EP0559850A1 Process for measuring railway lines. |
| 09/02/1993 | WO1993017184A1 Adjusting pile |
| 08/25/1993 | CN1075518A Method for measuring curature radius of railroad |
| 08/17/1993 | US5237143 Measuring change in temperature |
| 07/28/1993 | EP0552473A1 Method of measuring the profile of a rail and track and moving gear for the processing of rails |
| 06/30/1993 | EP0548377A1 Measuring instrument for surveying railway lines |
| 06/29/1993 | CA1319513C Apparatus and method for measuring and maintaining the profile of a railroad track rail |
| 04/27/1993 | US5205368 Apparatus and method for weighing rail-supported vehicles |
| 04/06/1993 | US5199176 Apparatus for the non-contact measurement of a track gage |
| 04/01/1993 | WO1993006303A1 Process for measuring railway lines |
| 02/24/1993 | CN2127396Y Multifunctional monitor for breoken rail |
| 02/10/1993 | CN2126855Y Track checking unit |
| 02/03/1993 | CN1068660A Method for determining deviations of actual position of track section |
| 01/14/1993 | DE4222333A1 Verfahren zum ermitteln der abweichungen der ist-lage eines gleisabschnittes A method for determine the deviations of the position-is a track section |
| 01/13/1993 | CN1067938A Track checking vehicle |
| 01/13/1993 | CA2070792A1 Method for determining the deviations of the actual position of a track section |
| 12/30/1992 | EP0520342A1 Measuring vehicle |
| 12/24/1992 | DE4219256A1 Verfahren und maschine zur lagekorrektur eines auf einer tragschicht aufliegenden gleises Method and machine for the correction of a position on a backing layer overlying track |
| 12/22/1992 | US5172637 Track surfacing machine for the controlled lowering of the track |
| 12/16/1992 | EP0518822A1 Measuring device for track maintenance machines |
| 11/11/1992 | CN1066094A Device for measuring distance between prack and fixed point |
| 11/04/1992 | CN2120821U Railway gauging rele |
| 10/28/1992 | EP0511191A2 System to measure the position of a rail track with respect to a fixed point |
| 10/27/1992 | US5157840 Method of and an equipment for determining the position of a track |
| 10/21/1992 | CN1018742B Reference system for railway track machines |
| 08/26/1992 | CN1063917A Track maintenance machine for lowering trace in controlled manner |