| 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) |
|---|
| 03/12/2003 | CN1401852A Mechanism for recognizing sleeper position and recognizing method |
| 03/12/2003 | CN1401851A Mechanism for repair rail |
| 03/12/2003 | CN1401850A Machinery for treating roadbed |
| 03/12/2003 | CN1102980C Track working machine and method for restoring rail position |
| 03/12/2003 | CN1102979C Vehicle for conveying steel rail |
| 03/12/2003 | CN1102977C Tamping unit |
| 03/12/2003 | CN1102976C Machine for picking up bulk material lying on track |
| 03/12/2003 | CN1102975C Track working machine and method for obtaining measured value of track |
| 03/11/2003 | CA2077367C Machine arrangement for picking up, storing and distributing the ballast of a track |
| 03/05/2003 | EP1288372A2 Track maintenance machine |
| 02/27/2003 | US20030037695 Machine for rehabilitating a track bed |
| 02/27/2003 | US20030037694 Machine for treating a track |
| 02/26/2003 | EP1285996A2 Track maintenance machine for ballast |
| 02/25/2003 | US6526339 GPS controlled multiple source material application |
| 02/19/2003 | CN1101878C Tamping unit |
| 02/19/2003 | CN1101877C Rail tamping unit |
| 02/19/2003 | CN1101876C Tamping unit for track tamping machines for tamping two adjacent sleepers |
| 02/19/2003 | CN1101875C Machinery for repairing rail base |
| 02/19/2003 | CN1101874C Excavating and conveying chain for transporting rail ballast |
| 02/13/2003 | US20030029350 Machine and method for treating a track |
| 02/12/2003 | EP1283301A2 Machine and method for recognizing the sleeper positions in a track |
| 02/12/2003 | CN2535435Y Machine for cleaning and screening road dregs under sleeper |
| 02/12/2003 | CN1396343A Track placing machinery |
| 02/05/2003 | CN1100922C Machine for dismantling old track and laying new track |
| 02/05/2003 | CN1100920C Tamping machine, machine arrangement and method for tamping track |
| 02/05/2003 | CN1100919C A track tamping machine |
| 02/05/2003 | CN1100918C Method and installation for subgrade rehabilitation for ballast bed of track |
| 01/22/2003 | CN2532105Y Sieving mechanism for screen scarifier |
| 01/16/2003 | US20030010248 Track work machine |
| 01/15/2003 | EP1275781A2 Apparatus and method for ballast replacement |
| 01/15/2003 | EP1275780A2 Track maintenance machine |
| 01/08/2003 | CN1389626A Railway construction machine of taking up roadbed material |
| 01/08/2003 | CN1098398C Pipeline construction machinery for digging road sub-grade material |
| 01/01/2003 | CN1097661C Suction machine |
| 12/31/2002 | CA2070791C Measuring vehicle |
| 12/11/2002 | EP1264933A2 Track maintenance machine for removing ballast |
| 12/11/2002 | CN1384244A Method and machine for renewing ballast bed |
| 12/05/2002 | DE10118393A1 Railway freight wagons to transport and store loose bulk materials, e.g. permanent way ballast, has separate containers in each wagon with conveyors to move material along each wagon and for transfer between wagons |
| 12/04/2002 | CN2523781Y Switch vibrator |
| 12/04/2002 | CN1382870A Screen scarifier for screening rail ballast |
| 12/04/2002 | CN1382869A Screen scarifier for screening rail ballast |
| 12/04/2002 | CN1382868A Operation method of screen scarifier and screened ballast |
| 12/04/2002 | CN1382867A Combined large road maintenance michinery and its operation method |
| 11/27/2002 | CN2522460Y Easy-to-combine slop clearing-screening mashine |
| 11/27/2002 | CN2522459Y Slope screening-clearing machine |
| 11/27/2002 | CN1381648A Device for track ballast cleaning |
| 11/21/2002 | DE10128374A1 Transport of bulk ballast materials, to a railway permanent way maintenance site, has a rake of transport/storage wagons with the ballasts sorted in fractions by types for efficient delivery |
| 11/20/2002 | CN2521244Y Railway ballast distributing machine |
| 11/19/2002 | US6481358 Track tamping method and machine |
| 11/13/2002 | CN1379155A Digging chain for railroad engineering machine |
| 11/12/2002 | US6477960 Machine for removing an old track and laying a new track |
| 11/06/2002 | EP1254987A2 Method for renewing the railway ballast and machine |
| 10/31/2002 | US20020157840 Ballast cleaning machine |
| 10/31/2002 | US20020157839 Ballast cleaning machine |
| 10/31/2002 | US20020157282 Ballast cleaning machine and method |
| 10/30/2002 | EP1253248A2 Ballast cleaning machine and method |
| 10/30/2002 | EP1253247A2 Railway ballast cleaning machine |
| 10/30/2002 | EP1253246A2 Railway ballast cleaning machine |
| 10/23/2002 | EP1251205A2 Device for removing the ballast from a trailway track |
| 10/17/2002 | US20020148379 Apparatus for stripping ballast from ties of a track |
| 10/17/2002 | DE10118536A1 Mobile rail track laying machine has a ballast removal stage, where old ballast is raised and passed to a beating roller bed under beating plates, fitted with high pressure fluid jets to clean the ballast for further use |
| 10/16/2002 | EP1249537A2 Method for cleaning the ballast |
| 10/16/2002 | EP1249536A2 Method for supplying a building site with building materials |
| 10/16/2002 | EP1249535A2 Wagon for conveying and storing, method for removing, storing and distributing materials |
| 10/16/2002 | CN2516579Y Hydraulic tamping machine |
| 10/10/2002 | WO2002079579A1 A machine and a method to weed or dig a railroad side |
| 10/09/2002 | EP1247902A2 Excavating chain for track maintenance machine |
| 10/03/2002 | US20020139016 Clearing chain for excavating bulk material |
| 10/02/2002 | DE10113375A1 Tracklayer ballast cleaning machine centers round striker roll bed fronted by vertically adjusting impact sheets with highpressure fluid jets for deep-cleaning ballast. |
| 09/24/2002 | US6453822 Tamping machine |
| 09/19/2002 | WO2002072958A1 System and method for replacement of track bed ballast for railroad |
| 09/17/2002 | US6450102 Ballast tamping machine, and machine of maintaining a track section |
| 09/17/2002 | US6450101 Machine for renewing a track |
| 09/11/2002 | CN2510525Y Quick-action detachable horizontal-swing type dual hydraulic rail-clamping apparatus for railroad switch tampering machine |
| 09/11/2002 | CN2510524Y Internal-combustion straight-moving type tampering machine |
| 08/27/2002 | CA2090398C Transport wagon comprising a wagon frame supported on on-track undercarriages |
| 08/21/2002 | EP1233108A1 Lifting and lowering mechanism for a ballast tamping unit |
| 08/01/2002 | US20020100191 Machine and method for clearing ballast |
| 07/30/2002 | US6425333 Loading car for bulk materials |
| 07/24/2002 | CN1088134C Working vehicle for track operation |
| 07/24/2002 | CN1088133C Method and apparatus for continuously measuring lateral resistance of track |
| 07/24/2002 | CN1088132C Machine for implementing track maintenance operations |
| 07/23/2002 | US6422150 Machine for renewing a track |
| 07/04/2002 | WO2002052105A1 Ballast removal method and apparatus |
| 07/03/2002 | CN1087049C Method for tamping plurality of sleepers of track |
| 07/03/2002 | CN1087048C Method for tamping and stabilizing track |
| 06/27/2002 | US20020078853 Range-finding based image processing rail way servicing apparatus and method |
| 06/13/2002 | DE10059729A1 Verfahren zur Reinigung von Steinschüttungen Methods for cleaning up of riprap |
| 06/11/2002 | US6401623 Railroad track ballast tamper |
| 06/05/2002 | EP1211354A2 Method for cleaning stone embankments |
| 06/05/2002 | CN1086010C Pipeline construction machinery for digging track sub-grade material |
| 05/22/2002 | EP1207234A2 Ballast plough |
| 05/21/2002 | US6389979 Assembly for tamping ballast |
| 05/14/2002 | US6386114 Single shaft tamper with reciprocating rotational output |
| 05/07/2002 | US6382329 Ballast plow |
| 05/02/2002 | US20020051682 Tamping Tool |
| 05/01/2002 | CN2488953Y Handy tamper for roadbed of railroad |
| 04/24/2002 | CN1083517C Machine for stabilizing track |
| 04/17/2002 | CN1344837A Machinery for renewing track |
| 04/11/2002 | DE10046994A1 Method for repairing the ballast bed of a track system for rail transport comprises processing, immobilizing and reusing a fine fraction of sieved ballast and the material of the track |