| Patents for B61L 23 - Control, warning or like safety means along the route or between vehicles or vehicle trains (3,391) |
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| 09/26/1989 | CA1260127A1 Vital apparatus for determining train travel direction |
| 09/05/1989 | US4864306 Railway anticollision apparatus and method |
| 08/23/1989 | CN2043201U Station automatic alarm and timing equipment |
| 08/22/1989 | US4858859 Control systems for controlling the passage of vehicles |
| 08/09/1989 | CN1034510A Premature advance and hot pursuit prevention system of automatic block sector |
| 08/09/1989 | CN1034509A Butt-joint train for highway-railway traffic unitization |
| 08/08/1989 | CA1258314A1 Apparatus for detecting the distance between a rail vehicle and a remote obstacle on the rail |
| 07/25/1989 | CA1257905A1 Vital safety monitoring circuit |
| 07/18/1989 | CA1257508A1 Switch mechanism |
| 06/07/1989 | CN1033329A Computer device for fail-safe |
| 06/01/1989 | DE3837822A1 Transportable section warning apparatus |
| 05/24/1989 | EP0316828A1 Portable tunnel warning instrument |
| 05/24/1989 | DE3738696A1 Method and device for locating a break in a rail |
| 05/05/1989 | WO1989004012A1 Modular installation for the controlled transportation of parts or products |
| 04/18/1989 | US4821647 Amusement ride |
| 02/21/1989 | US4807027 Station platform observation method |
| 01/12/1989 | WO1989000122A1 Rail-mounted conveyor |
| 01/12/1989 | DE3734968A1 Schienengebundene foerderanlage Rail mounted transfer conveyor |
| 01/11/1989 | CN2030566U Microcomputer-controlled general locomotive signal equipment |
| 01/04/1989 | CN1030057A Unlocking method by four points checking |
| 12/15/1988 | DE3719179C1 Arrangement for determining the separation between vehicles moving one behind the other |
| 11/16/1988 | CN87211346U Portable ac count pulsimeter |
| 10/18/1988 | US4779071 System for transmitting commands |
| 10/12/1988 | EP0286627A2 Device for warning gangs |
| 10/05/1988 | CN87206659U Multipurpose timing frequency signal testing instrument |
| 09/21/1988 | CN87211238U Automatic protector for railway station without electric centralization |
| 09/20/1988 | US4771698 Sensing system for a tracked vehicle transportation system |
| 08/23/1988 | US4766547 Computer controlled conveyor system |
| 08/17/1988 | CN87215993U Small electric train-pass machine |
| 07/27/1988 | CN88100186A Automatic blocking system for a long subsection |
| 07/20/1988 | EP0274650A1 Bidirectionnel information transmission system between a monitor station on the ground and a mobile station |
| 07/05/1988 | US4755692 Vital safety monitoring circuit |
| 06/29/1988 | EP0272343A1 Device for the surveillance of the presence of rail vehicles within specified track sections |
| 06/21/1988 | US4752053 Railway vehicle motion detector |
| 06/16/1988 | DE3731700A1 Elektrischer trennstoss Electrical shock separating |
| 06/09/1988 | DE3640834A1 Device for detecting control function faults on a driverless transport vehicle |
| 06/01/1988 | CN87208767U Protective alarm device |
| 05/03/1988 | US4742460 Vehicle protection system |
| 04/13/1988 | EP0263262A2 Distance-regulating system for automotive vehicles |
| 04/05/1988 | US4736197 Transit system third rail warning signal |
| 04/05/1988 | US4735384 Apparatus for detecting the distance between a rail vehicle and a remote obstacle on the rail |
| 03/29/1988 | US4733616 Track-bound selfpropelled car conveyor |
| 03/29/1988 | CA1234616A1 Vehicle protection system |
| 03/09/1988 | CN86210089U Code automatic blocking device by micro-electron time counting |
| 03/01/1988 | US4728063 Railway signalling system especially for broken rail detection |
| 02/24/1988 | CN87208998U Circuit fault monitor for shift frequency track |
| 02/23/1988 | US4726299 Method and apparatus for controlling a vehicle |
| 02/18/1988 | DE3626960A1 Switching-off device for traction-current lines for vehicles guided in a track |
| 02/09/1988 | US4723739 Synchronous rectification track circuit |
| 02/09/1988 | US4723738 Railway track circuit for electrified territory including impedance bonds and insulated joints |
| 02/09/1988 | US4723737 Process and device for transmitting data between vehicles moving over a track |
| 01/21/1988 | DE3624099A1 Device for audibly warning persons via a radio-frequency information channel |
| 01/12/1988 | US4718621 Automatic transportation system |
| 12/15/1987 | US4713653 For warning that an exposed member carrying high voltage is live |
| 12/02/1987 | CN87102937A Multipurpose time frequency signal tester |
| 11/05/1987 | WO1987006551A1 Flexible material transport system |
| 10/21/1987 | EP0242177A2 Computer controlled conveyor system |
| 10/20/1987 | US4700633 Tracking apparatus in conveyorized transport system |
| 10/13/1987 | US4700024 Signal and current transmission system with transducers spaced by the collector lines |
| 08/27/1987 | WO1987004984A1 Method and apparatus for controlling a vehicle |
| 08/11/1987 | US4685398 Comprehensive unit transportation system |
| 07/29/1987 | EP0229788A1 Modular plant for the controlled transportation of parts or products. |
| 07/16/1987 | DE3600896A1 Signalling system for an automatic railway work gang-warning device or the like |
| 06/23/1987 | CA1223327A1 Track circuit |
| 04/07/1987 | US4655421 Method for the transmission of informations and/or instructions |
| 02/25/1987 | EP0211327A2 Driverless transport system |
| 02/24/1987 | CA1218326A1 Conveyor system |
| 02/12/1987 | DE3528235A1 Method for decentralised control of track-bound vehicles and vehicle functions |
| 02/10/1987 | US4641803 Track circuit |
| 02/03/1987 | US4641245 Conveyor system comprising electrically driven conveyor cars that are closeable by means of a cover |
| 01/31/1987 | CN86103414A Microcomputer axle-counting close device |
| 01/29/1987 | WO1987000493A1 Modular plant for the controlled transportation of parts or products |
| 12/23/1986 | CA1215768A1 Method and apparatus for transmitting information and/or commands to a rail-vehicle |
| 12/16/1986 | US4630216 Method and apparatus for controlling and monitoring movement of material-transporting carriages |
| 08/20/1986 | EP0191174A2 Conveyer system with rail-bound self-propelled carriages |
| 07/30/1986 | EP0188925A1 Method and arrangement for data transmission between moving vehicles on a road |
| 06/25/1986 | CN85203712U 25 hz ferromagnetic frequency demultiplier with the shape of squre with a cross in it iron core. |
| 06/19/1986 | WO1986003612A1 Device for spacing apart vehicles held on a track |
| 04/30/1986 | CN85203523U Portable signal lamp |
| 04/02/1986 | EP0176158A1 System for controlling pallet-carrying trucks |
| 03/25/1986 | US4578665 Remote controlled surveillance train car |
| 01/15/1986 | EP0168341A1 Conveyor arrangement comprising horizontally and vertically profiled guiding tracks, and arrangement for the optional transfer of cars from one track to another |
| 12/18/1985 | EP0165048A2 Railway track circuit equipment |
| 12/11/1985 | EP0164302A2 Conveyor system with movement-controlled conveyor vehicles |
| 12/10/1985 | CA1197809A1 Material handling and sorting system |
| 11/26/1985 | US4554873 Material handling and sorting system |
| 11/26/1985 | CA1197309A1 Railway signalling receiver |
| 11/12/1985 | US4552072 Installation for destination adjustment of destination identification marks for receptacles |
| 10/29/1985 | CA1196076A1 Equipment for maintaining the spacing of track-bound vehicles |
| 09/24/1985 | CA1194120A1 Circuit for detecting unbalance of the traction current in a track circuit |
| 09/04/1985 | EP0153573A2 Gliding switch |
| 09/03/1985 | US4538781 Control system for controlling the passage of vehicles |
| 06/11/1985 | US4522128 Switch mechanism |
| 05/08/1985 | EP0140216A2 Device and method for the control and supervision of transport arrangements with several transport vehicles on a common track |
| 05/07/1985 | US4516249 Railway signalling receiver |
| 05/07/1985 | CA1186788A1 Control system for passage of vehicles |
| 01/01/1985 | US4491290 Train defect detecting and enunciating system |
| 12/05/1984 | EP0127566A1 Conveyor system with carriages running on carriage ways and running time fixing counters |
| 11/21/1984 | EP0126020A1 Conveyor system with electrically propelled carriages closable by a cover |
| 09/25/1984 | US4473787 Equipment for maintaining the spacing of track-bound vehicles |