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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07/04/1989 | CA1256973A1 Vital switch control circuit |
06/27/1989 | US4842225 Device for operating a railroad switch |
06/21/1989 | EP0320636A2 Universal outer point lock device for railway points |
05/31/1989 | EP0317927A1 Switch points motorization device |
05/10/1989 | EP0315621A2 Switching apparatus for movable parts in the diverging region of a railway point |
05/10/1989 | EP0315620A2 Switching apparatus for movable parts of a railway point |
05/10/1989 | EP0315619A2 Switching apparatus for rocking rails or movable frogs in the crossing region of a point |
04/26/1989 | CN2036511U Hand signal lamp |
04/25/1989 | US4824054 Railroad switch stand |
03/29/1989 | CN1031971A Hydraulic track lifting and lining device |
01/11/1989 | CN2030566U Microcomputer-controlled general locomotive signal equipment |
12/28/1988 | CN88104478A Hydraulic track-switching device |
12/14/1988 | EP0295237A2 Switch operation device |
11/17/1988 | DE3715478A1 Circuit arrangement for monitoring a set of points |
11/16/1988 | CN88102584A Device for operating railroad switch |
11/16/1988 | CN87211122U Ac count locomotive signal analog inductor |
11/09/1988 | EP0289978A1 Device for switching points |
11/02/1988 | CN87203586U Locomotive inner track shift frequency signal receiver |
10/26/1988 | CN87206799U Dynamic safety type non-contact driver |
08/02/1988 | CA1240024A1 Color light signal using light emitting diodes |
07/12/1988 | US4756494 Vital switch control circuit |
06/28/1988 | US4754272 Three aspect signalling device using no moving parts |
05/19/1988 | DE3638686A1 Method for controlling points drives in railway shunting systems |
05/19/1988 | DE3638681A1 Device for remote-monitoring rotary-current points drives |
05/19/1988 | DE3638680A1 Device for controlling points in gravity-shunting systems |
05/11/1988 | DE3637037A1 Set of points with local electrical control |
04/06/1988 | EP0262844A2 Signalling device |
03/01/1988 | US4729076 Signal light unit having heat dissipating function |
11/04/1987 | CN87202402U Electropneumatic switch with programed control |
09/22/1987 | US4695016 Slow motion actuating device |
09/09/1987 | CN86208998U Magnetic railway treadle |
06/11/1987 | DE3543403A1 Device for locking rail points, in particular switch blades to the associated stock rails |
05/20/1987 | CN86204870U Narrow railway goat |
05/14/1987 | DE3540307A1 Circuit for controlling a set of points with a plurality of compact devices |
04/30/1987 | DE3538311A1 Circuit for controlling a multi-indication light signal |
03/11/1987 | CN85201109U Self-directing signal light adjuster |
01/13/1987 | US4636036 Multi-color traffic signal |
01/10/1987 | CN85101809A Rail switch |
11/26/1986 | EP0202335A1 Signal light unit having heat dissipating function |
05/27/1986 | US4591964 Method of securely interrupting the electric power supply from a low-frequency or direct voltage source to a load, and appartus for carrying out the method |
05/22/1986 | WO1986002985A1 Signal light unit having heat dissipating function |
04/09/1986 | EP0176830A2 Electrically actuated mechanism for rail switch-points |
02/12/1986 | CN85201332U Railway switch with linear pipe induction motor. |
12/18/1985 | EP0165229A2 Switch point security device for railway points |
11/10/1985 | CN85103460A Autocollimating adjusting apparatus of signal lamp |
09/04/1985 | EP0153900A2 Control and protection of servoswitching of points with a telecontrol device or a local control device |
06/18/1985 | CA1189180A1 Dual control trailable railway switch machine |
10/23/1984 | CA1176743A1 Railroad switch machine |
07/10/1984 | CA1170754A1 Internal locking arrangement for a switch machine |
06/12/1984 | US4454570 Multiple colored searchlight signal unit |
02/15/1984 | EP0100331A1 Apparatus for securely interrupting the electric power supply from a low-frequency or direct voltage source to a load. |
01/31/1984 | US4428552 Railroad switch machine |
10/04/1983 | US4408111 Internal locking arrangement for a switch machine |
08/18/1983 | WO1983002860A1 Method of securely interrupting the electric power supply from a low-frequency or direct voltage source to a load, and apparatus for carrying out the method |
08/02/1983 | CA1151278A1 Feeding and controlling device for railroad signal light |
04/13/1983 | EP0076286A1 Railway switch actuator |
03/15/1983 | US4376910 Power supply and control device for the proper operation of a railway traffic light |
11/10/1982 | EP0064249A1 Position drive for railway switches |
10/28/1982 | WO1982003607A1 Railway switch actuator |
08/24/1982 | CA1130406A1 Device for detecting unwanted signal combinations of two signal lamps in traffic lights |
07/06/1982 | US4337914 Railway switch stand cover |
06/02/1982 | EP0052759A2 Device by an electronic signal box for the power supply and telecontrol of switch drives |
03/23/1982 | CA1120572A1 Tongue switch for rail installations |
03/09/1982 | US4319310 Solar signs |
08/11/1981 | US4283716 Multi-color traffic signal |
04/07/1981 | US4261027 Incandescent reflector lamp for railway warning-signal apparatus |
03/10/1981 | US4255738 Device for detecting unwanted signal combinations of two signal lamps in traffic lights |
02/05/1981 | WO1981000238A1 Power supply and control device for the proper operation of a railway traffic light |
08/05/1980 | CA1083110A1 Railroad crossing signal lamp |
07/22/1980 | US4213588 Fluidically operated railway switch machine |
07/01/1980 | US4210300 Point switch |
03/25/1980 | CA1074433A1 Switch for rail points |
11/20/1979 | US4174820 Method for moving a railway switch and equipment for implementing the method |
09/18/1979 | CA1062676A1 Traffic light lens |
09/11/1979 | CA1062358A1 Wedged mechanism to drive spring switch control rods |
05/01/1979 | US4152756 Railroad crossing signal lamp |
05/01/1979 | CA1053788A1 Electrically driven apparatus for operating a railway point |
09/19/1978 | US4114844 Tongue switch for rail installations |
08/22/1978 | US4108406 Rail car safety reflector |
06/06/1978 | US4093163 Switch for rail points |
05/10/1977 | US4022409 Electrically driven apparatus for operating a railway |
08/31/1976 | US3977635 Railway switch for Vignoles rails |
04/27/1976 | US3952978 Cantilever arm signal assembly |