| 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) |
|---|
| 03/13/1991 | EP0416135A1 Track-mobile machine for distributing and profiling the bedding ballast of a railway track |
| 03/05/1991 | US4996925 Railway ballast |
| 02/27/1991 | CN1011800B Mobile machine for distributing and shaping ballast bed of railroad track |
| 02/19/1991 | CA1280316C Self-propelled machine to dress and re-distribute railway road bed ballast |
| 02/13/1991 | CN2071209U Convenient sigle side bottom cleaning digging beam |
| 02/07/1991 | DE4021518A1 Tubular brush track laying machine - consists of cylindrical main part on which are axial cavities, and pins for attaching it to roller |
| 01/23/1991 | EP0408839A1 Machine arrangement movable on rails for removing, cleaning and reintroducing the ballast of railway tracks |
| 01/23/1991 | EP0408837A1 Device for ballast cleaning machines |
| 01/23/1991 | CN2069879U Digger clutch of ballast cleaning machine for packing one-side sleeper |
| 01/22/1991 | US4986189 Mobile track working machine |
| 01/19/1991 | CA2020157A1 Ballast separating device for ballast cleaning machine |
| 01/18/1991 | CA2019942A1 Mobile ballast cleaning machine arrangement |
| 01/16/1991 | CN1011249B Continuously advancing track maintenance or rehabilitation machine |
| 01/15/1991 | US4985276 Adhesive which solidifies on cooling, applying as solid then then thawing, road beds, construction foundations |
| 12/27/1990 | CA1278220C Railway ballast renewal machine for tunnels |
| 12/26/1990 | CN1048074A Tamping unit and tamping tine for track tamping machine |
| 12/20/1990 | DE4001235A1 Boxing-up railway sleepers - involves using caliper like tools on two sleepers at one time to force ballast under ends |
| 12/05/1990 | CN1010691B Aqueous coating compositions |
| 11/28/1990 | CN1047358A Continuously advancing track tamping machine comprising plough arrangement |
| 11/22/1990 | EP0397956A1 Continuously moving tamping machine with a plow arrangement |
| 11/18/1990 | CA2014192A1 Continuous action ballast tamping machine |
| 11/15/1990 | WO1990013710A1 Tool for tamping ballast and the like |
| 11/08/1990 | DE4001284A1 Railway track tamping and lining machine - has tamping head with track lifter adjacent tamping tools |
| 11/06/1990 | US4967847 Method and apparatus for cleaning ballast |
| 10/31/1990 | CN1046578A Travelling track tamping machine comprising transversely and vertically adjustable temping units |
| 10/31/1990 | CN1046577A Travelling track tamping machine comprising transversely and vertically adjustable tamping units |
| 10/25/1990 | DE4001488A1 Fahrbare gleisstopfmaschine mit quer- und hoehenverstellbaren stopfaggregaten Mobile railway cup machine with transverse and height-adjustable tamping units |
| 10/25/1990 | DE4001487A1 Mobile ballast tamper for railway tracks |
| 10/24/1990 | EP0393198A1 Tamping device for sleeper tamping machine |
| 10/17/1990 | CN2063955U Small-size sleeper cleaner |
| 10/03/1990 | EP0337048B1 Railway machine for vacuum cleaning a track superstructure |
| 09/25/1990 | US4958573 Rehabilitation machine having its feed and discharge of materials at its leading end in the direction of its advance |
| 09/19/1990 | CN1045437A Track tamping, lifting and lining machine comprising laterally displaceable tamping units |
| 09/12/1990 | EP0386398A1 Travelling track tamping, levelling and lining machine with a swivelling tamping unit |
| 09/10/1990 | CA2010853A1 Universal mobile track leveling, lining and tamping machine |
| 09/05/1990 | EP0385233A2 Process to excavate the inverted lower arch in existing tunnels and apparatus to carry out the process |
| 09/04/1990 | US4953467 Track surfacing machine with track stabilization |
| 08/28/1990 | CA1273244A1 Ballast dressing unit on machines which dress and re- distribute railway road bed ballast |
| 08/14/1990 | US4947757 Method and machine arrangement for working in a track switch section |
| 07/31/1990 | CA1272070A1 Metalling re-distribution unit on machine to shape and re-distribute railway road beds, and a shaper and re-distribution machine thus equipped |
| 07/24/1990 | US4942821 Tamping machine, particularly for railroad ballasts |
| 07/10/1990 | US4939998 Ballast tamping machine |
| 07/03/1990 | US4938239 Mobile track bed cleaning machine and method |
| 06/20/1990 | CN1043179A Track maintenance machine with track stabilizer |
| 06/20/1990 | CN1008458B Cleaning machine with circulating belt of conveying chain for track ballast |
| 06/13/1990 | CN1042960A Travelling track tamping, lifting and lining machine for lifting and/or laterally shifting a track at switches and crossings |
| 06/12/1990 | CA1270150A1 Production tamper machine and a tamping head therefor |
| 05/29/1990 | US4928599 Continuously advancing track leveling, lining and tamping machine |
| 05/16/1990 | EP0368047A2 Belt conveyor device |
| 05/16/1990 | EP0368046A2 Railway transport car |
| 05/15/1990 | US4925356 Self-unloading train for bulk commodities |
| 05/08/1990 | US4923355 System to feed and discharge materials continuously in operations to rehabilitate railway road beds and the like |
| 05/08/1990 | US4922828 Ballast tamping tool |
| 05/02/1990 | CN1041800A Continuously advancing (non-stop, track tamping, levelling and lining machine |
| 04/12/1990 | DE3834313A1 Method and apparatus for producing a track-ballast formation |
| 04/05/1990 | WO1990003468A1 Improved tamping blade with improved inserts |
| 04/04/1990 | EP0360950A1 Continuous-motion (non-stop) track-tamping, levelling and lining machine |
| 04/04/1990 | CN1041020A Travelling on-track machine for distributing and profiling the ballast of a track |
| 04/03/1990 | US4913240 Machine to clean and rehabiliatate railway ballast and railway road beds |
| 04/03/1990 | US4913058 Continuous ballast-tamping machine with independent tamping heads for railway lines |
| 03/27/1990 | US4911246 For excavating ballast from underneath a track |
| 03/21/1990 | CN1007276B Walking ballast-tamping and track-lifting machine, especially suitable for operating at switch and crossing area |
| 03/20/1990 | US4909699 For a train |
| 03/06/1990 | US4905604 Mobile switch leveling, lining and tamping machine |
| 02/27/1990 | US4903609 Tamping blade with improved inserts |
| 02/27/1990 | US4903608 Machine for laterally displacing a track |
| 02/13/1990 | US4899664 Railroad switch tamping machine |
| 01/16/1990 | US4893565 Mobile track switch working machine |
| 01/09/1990 | US4892151 Ballast cleaning machine |
| 01/09/1990 | US4892040 Ballast tamping machine |
| 01/02/1990 | US4890557 Interstitial ballast vibrator |
| 12/28/1989 | WO1989012718A1 Tamping device for sleeper tamping machine |
| 12/26/1989 | US4888845 Sweeping apparatus for railway ballast regulators |
| 11/28/1989 | US4882860 Apparatus for removing ballast from beneath railroad tracks |
| 11/23/1989 | EP0342306A1 Machine for laterally shifting a railroad comprising rails and transverse sleepers |
| 11/21/1989 | US4881467 Continuously advancing track maintenance or rehabilitation machine |
| 11/02/1989 | EP0339785A1 Settling or compacting granular material |
| 10/18/1989 | EP0337048A1 Railway machine for vacuum cleaning a track superstructure |
| 10/18/1989 | CN1036422A Mobile machine for levelling, lining and tamping a track switch |
| 09/27/1989 | CN2044995U Digging chain of smallsize machine for cleaning and screening ballast under sleepers |
| 09/20/1989 | CN1005202B Continuous moving machinery for ramming, leveling and aligning |
| 09/19/1989 | US4867068 Railway train set for the renewal of railway tracks |
| 09/13/1989 | EP0331956A2 Improved tamping machine, particularly for railroad ballasts |
| 08/30/1989 | EP0330286A1 A ballast removing system |
| 08/29/1989 | CA1258792A1 Ballast cleaning machine |
| 08/23/1989 | EP0329352A1 Freight discharge of railway wagons |
| 08/22/1989 | US4858696 Mobile ballast cleaning machine |
| 08/22/1989 | US4858344 Undercutter with rotary trencher |
| 08/08/1989 | US4854243 Mobile track renewal machine |
| 08/08/1989 | CA1258223A1 Mechanism and method for bending abutting rail section ends at rail joints in the operation of a track working machine |
| 07/25/1989 | US4850752 Tool for stone-blowing |
| 07/18/1989 | US4848240 Tool for positioning railway track components and method of manufacture |
| 07/12/1989 | CN1033854A Mobile machine for distributing and shaping the ballast bed of a railroad track |
| 07/11/1989 | US4846282 Machine to restore railway road beds with a continuous endless-conveyor riddle |
| 07/04/1989 | US4843967 Compaction tamper |
| 06/28/1989 | CN2040114U Railway ballast screening machine |
| 06/07/1989 | CN1004434B Machinery for replacing rail and sleeper |
| 06/06/1989 | US4835887 Mobile machine for distributing and shaping the ballast bed of a railroad track |
| 05/31/1989 | EP0317692A1 Tamping tool for a railway track tamping machine |
| 05/24/1989 | EP0316614A1 Basket-frame unit for continuous endless-conveyor riddle |