| Patents for B61L 5 - Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals (2,083) |
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| 06/23/1993 | CN2136781Y High post lens type color light signal machine |
| 06/09/1993 | CN2135508Y Column lens type colour light signal machine |
| 06/09/1993 | CN2135507Y Terminal cable box for railway signal |
| 06/09/1993 | CN2135506Y Distribution cable box for railway signal |
| 06/09/1993 | CN2135505Y Transformer box for railway signal |
| 05/26/1993 | CN2134330Y Wholly-fixed friction assembly without loss |
| 05/26/1993 | CN2134329Y Notch monitor of electric goat |
| 05/19/1993 | EP0542127A1 Method for setting a first rail towards a second rail |
| 05/12/1993 | CN2132660Y Portable signal light for railway |
| 04/07/1993 | EP0535763A2 Power supply unit |
| 03/23/1993 | US5195703 Device for locking a switch blade with a stock rail |
| 03/23/1993 | CA1314966C Railroad switch stand |
| 03/09/1993 | US5192038 Safety detector for railroad switch points with visual indicator mechanism |
| 01/12/1993 | US5178349 Railroad signal system |
| 12/02/1992 | CN2123470U Hook-lock device for railway line locked switch |
| 11/25/1992 | CN2122793U Locking mechanism for railway points |
| 11/19/1992 | EP0514365A2 Method for the surveillance of the state of railway switches |
| 11/04/1992 | CN1065834A Redundant system of main line signals for rail |
| 10/28/1992 | CN1065629A Pre-alarm display device for rail switches |
| 10/20/1992 | CA1309053C Rail transportation system with switches, especially a mono rail overhead system for cyclic conveyance of one or more carriers, e.g. in feeding systems |
| 10/07/1992 | EP0507186A2 Device for testing signal lamps in railway systems |
| 09/30/1992 | CN2117302U Operating safety unit for railway workers |
| 09/30/1992 | CN2117301U Error current regulator for electric switching apparatus |
| 09/02/1992 | CN2114604U Precaution indicator for railway switch |
| 07/29/1992 | CN2111236U Electric rotary track machine dynamometer cranking bar |
| 07/07/1992 | CA1304809C Switch motorization device |
| 06/04/1992 | DE4038339A1 Adjusting system for turnout points of magnetic suspended railway - can fix deflection joist in respective end positions with positioning movement by electric motors supplied via rectifier |
| 05/26/1992 | US5116006 Safety detector for railroad switch points with remote contact mechanism |
| 05/13/1992 | CN2104163U Hand spring switches turnout open digital display unit |
| 05/06/1992 | CN2103489U Open monitor with represent rod for electric switch |
| 04/29/1992 | CN2102871U Emergency signal sound mound for railway special used |
| 04/16/1992 | WO1992006244A1 Device for catching and fixing reciprocating body |
| 04/15/1992 | EP0480303A2 Operating device for railway switches, particularly for high-speed lines |
| 04/15/1992 | CN2101622U Bidirectional display self charged lighting signal lamp for railway |
| 04/15/1992 | CN2101621U Synchronism display with platform bell |
| 04/01/1992 | CN2100341U Small-sized electric train-staff machine |
| 03/04/1992 | EP0472747A1 Arrangement for the supervised operation of a consumer |
| 03/04/1992 | CN2097786U General high-intensity switch hood locking unit |
| 02/26/1992 | CN2097130U Long-range operating device for open-wire channel of electric railway |
| 01/23/1992 | DE4023009A1 Control installation for movable rails - has single housing enclosing all movable parts |
| 01/22/1992 | EP0467865A1 Apparatus for operating the switch blades of railway points |
| 01/15/1992 | CN2093130U Drawing device for points |
| 01/15/1992 | CN2093129U Portable property test instrument for electric goat |
| 01/08/1992 | CN2092473U Railway hand-operated spring points indicator |
| 11/27/1991 | CN2089436U Transformer box of railway signal |
| 11/27/1991 | CN1014879B Railway switch motor system |
| 11/21/1991 | EP0457754A2 Railway switch drive |
| 11/21/1991 | DE4112928A1 Clamp closure for points - has two hinge connections for longitudinal adjustment of clamps |
| 11/20/1991 | CN2088956U Square bar locking rod unit of electric switch for railway |
| 11/06/1991 | EP0455182A2 Locking device for a switch point |
| 11/06/1991 | EP0455153A2 Locking device for a switch point with stock rails |
| 11/05/1991 | CA2041821A1 Device for locking a switch blade |
| 11/05/1991 | CA2041809A1 Device for locking a switch blade with a stock rail |
| 10/30/1991 | CN2087591U Automatic display, heralding and redisplay device for railway protective signal |
| 10/01/1991 | US5052642 Switch stand |
| 09/18/1991 | CN2084897U Low-noise whistle for locomotive |
| 09/18/1991 | CN2084896U Electric goat of switch |
| 08/21/1991 | CN1013560B Device for operating railroad switch |
| 07/10/1991 | CN2080486U On-line graph analyzer for electric switch |
| 07/09/1991 | US5030886 Self-checking circuit arrangement for operation of a searchlight signal |
| 07/03/1991 | CN2080042U Key control closing lock device for railway switch |
| 06/19/1991 | EP0432626A2 Circuit for monitoring an alternating current supplied light signal by direct voltages |
| 06/19/1991 | EP0432625A1 Main-standby filament switch for AC driven two-filament lamps in traffic signalling devices |
| 06/19/1991 | EP0432624A1 Main-standby filament switch for AC driven two-filament lamps in traffic signalling devices |
| 06/19/1991 | EP0432623A1 Failure detection circuit for multifilament lamps in signalling devices |
| 06/05/1991 | CN2078267U Planar light emitting diode signal-lamp for locomotive |
| 05/14/1991 | US5014937 Railway switch stand and method of modifying the same |
| 03/27/1991 | CN2073841U Unequal sectional static contact fingers of switch machine |
| 03/06/1991 | EP0415026A2 Apparatus for light signals |
| 01/30/1991 | EP0410936A1 Drive unit with latching device |
| 01/22/1991 | US4986498 Device for determining the condition of railway switches or railway crossings |
| 01/08/1991 | US4982919 Reversing device for movable parts of a railway switch |
| 11/21/1990 | CN1047058A Switch locking and locking monitor |
| 09/05/1990 | CN2061543U Notch microadjuster of amin inducating bar for electric shunter |
| 08/16/1990 | DE4003846A1 Holder for optical fibre bunch - with wedge-type entry exerting radial clamping forces on bunch |
| 07/04/1990 | CN2058893U Safety locking mechanism for point spring operating device |
| 07/03/1990 | US4938438 Railroad switch stand |
| 05/22/1990 | US4927102 Reversing device for movable parts within the deflection area of a railway switch |
| 05/10/1990 | DE3838415A1 Device for locking the ends of rails or switch blades to associated stock rails |
| 05/01/1990 | US4921189 Universal outer point lock device for railway point |
| 04/18/1990 | CN1041465A Control and data processing apparatus |
| 04/17/1990 | US4917339 Reversing device for swivelable rails or movable frogs within the crossing area of a railway switch |
| 04/11/1990 | CN2055800U Power operated switch with switch signal lamp |
| 04/11/1990 | CN1007527B Hydraulic track-switching device |
| 02/01/1990 | DE3825182A1 Switch drive |
| 01/30/1990 | US4896850 Railroad switch motor system |
| 01/24/1990 | CN2051602U Straight line type electric switching machine |
| 01/17/1990 | EP0351380A2 Optical system for permanent luminous signals of different colours, especially for railway signalling |
| 12/20/1989 | EP0346807A1 State validation device |
| 12/20/1989 | EP0346804A1 Data-processing and control device |
| 12/07/1989 | DE3916696A1 Switch drive with linear drive |
| 11/29/1989 | EP0344145A1 Device for detecting the condition of rail switches or crossings |
| 11/01/1989 | CN2046840U Hydraulic track lining device |
| 11/01/1989 | CN2046839U Monitoring siren for approach signal |
| 10/25/1989 | EP0202335B1 Signal light unit having heat dissipating function |
| 10/18/1989 | CN2046096U Multipole linear electric goat |
| 08/29/1989 | US4860978 Control mechanism for railway switches |
| 08/02/1989 | EP0100331B1 Apparatus for securely interrupting the electric power supply from a low-frequency or direct voltage source to a load |
| 07/26/1989 | CN2041654U Anti-escaping railway signal alarm for railway end |
| 07/26/1989 | CN1034171A Railroad switch motor system |