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