| Patents for B61L 29 - Safety means for rail/road crossing traffic (1,017) |
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| 06/30/1998 | US5774045 Arrangement for detecting objects in a region to be monitored |
| 06/09/1998 | US5762443 Ground retractable automobile barrier |
| 05/28/1998 | DE19648516A1 Railway level crossing status information transmission |
| 05/22/1998 | WO1998021079A1 Method of automatically adapting setpoint inputs for a danger zone monitoring system and arrangement for carrying out this method |
| 05/07/1998 | WO1998019014A1 Barrier drive shaft |
| 05/05/1998 | US5747954 Highway crossing guard mechanism controller |
| 04/23/1998 | DE19648623C1 Verfahren zum selbsttätigen Adaptieren der Sollwertvorgaben für eine Gefahrenraumüberwachungseinrichtung und Einrichtungen zur Durchführung dieses Verfahrens A method of automatically adapting the set values for risk monitoring device and means for carrying out this method |
| 04/22/1998 | CN2279285Y Electric gate operating apparatus |
| 04/14/1998 | US5739768 Train proximity detector |
| 04/07/1998 | US5735492 Railroad crossing traffic warning system apparatus and method therefore |
| 04/07/1998 | US5735491 Method and apparatus for detecting an approaching train by detecting a brake system status signal |
| 03/25/1998 | CN2276895Y Rail safety protecting device of railway crossing |
| 03/17/1998 | US5729213 Train warning system |
| 02/26/1998 | WO1998007610A1 Information generator using elastic wave |
| 02/18/1998 | CN2274594Y Railway alarm on guardfree crossroad |
| 01/16/1998 | CA2185052A1 Railway crossing collision avoidance system |
| 01/02/1998 | DE19623524A1 Monitoring unit for danger area at railway level crossing |
| 12/23/1997 | US5699986 Railway crossing collision avoidance system |
| 12/11/1997 | DE19621612A1 Method of optical free space monitoring, esp. for monitoring track areas in railway stations for objects not normally present |
| 11/19/1997 | CN1165102A Elastic balance mechanism |
| 10/28/1997 | US5682150 Remote control train warning apparatus |
| 10/21/1997 | US5680120 Transportation safety apparatus and method |
| 10/08/1997 | EP0715581B1 Method of controlling a safety device, and a safety device for carrying out this method |
| 10/02/1997 | DE19612579A1 Danger space control monitoring arrangement |
| 10/01/1997 | CN2263613Y Automatic hydraulic panel turnover device for crossing guard bar |
| 08/28/1997 | WO1997030879A1 Remote monitoring system |
| 08/20/1997 | CN2260034Y Automatic control device for rail/road crossing needing no manual operation |
| 07/17/1997 | WO1997025235A1 Railroad traffic warning system apparatus and method therefor |
| 07/10/1997 | WO1997024704A1 Train proximity detector |
| 06/25/1997 | CN1152958A Arrangement for detecting objects in a region to be monitored |
| 06/17/1997 | US5639047 Railroad signal with remote light source |
| 05/07/1997 | EP0771430A1 Arrangement for detecting objects in a region to be monitored |
| 04/29/1997 | US5625340 Device for supervising an area |
| 04/16/1997 | CN1147661A Wireless traffic and vehicle signal indication system |
| 04/15/1997 | US5620155 Railway train signalling system for remotely operating warning devices at crossings and for receiving warning device operational information |
| 03/12/1997 | EP0761523A2 Method for integrating level crossings in automatic rail vehicle control and protection |
| 03/05/1997 | CN2248675Y Automatic safety control device for level gate at crossing traffic for railway |
| 02/25/1997 | US5605418 Road snow melting system using a surface heating element |
| 01/25/1997 | CA2180612A1 Railroad signal with remote light source |
| 12/25/1996 | CN2243417Y Automatic cross alarm |
| 09/10/1996 | US5554982 Wireless train proximity alert system |
| 08/14/1996 | CN2232876Y Automatic safety alarm for railway cross |
| 07/10/1996 | CN2230692Y Self-balancing electric driving barrier for railway line |
| 06/12/1996 | EP0715581A1 Method of controlling a safety device, and a safety device for carrying out this method |
| 05/29/1996 | CN1123234A Safety-device system for automobile at cross junction of railway and road |
| 05/22/1996 | CN2227694Y Double-face hollow board |
| 05/08/1996 | CN2226660Y Hand-operated pumping and air-blasting dual-purpose machine |
| 05/01/1996 | CN2226007Y Hydraulic barrier for level crossing |
| 03/20/1996 | CN2222658Y Forced control obstacle for rail/road crossing traffic |
| 03/20/1996 | CN2222657Y Forced control railings for rail/road crossing traffic |
| 03/06/1996 | CN2221529Y Electric-lifting crossing preventing gate |
| 02/01/1996 | WO1996002859A1 Arrangement for detecting objects in a region to be monitored |
| 12/20/1995 | CN2215440Y Safety protection automatic controller for crossing of railway line |
| 12/13/1995 | CN2214914Y Automatic rising and falling gate device for rail/road crossing traffic |
| 12/12/1995 | US5474266 Railroad highway crossing |
| 12/06/1995 | CN2214332Y Electric railing with multiplex protective function |
| 12/06/1995 | CN2214331Y Railway junction alarming device |
| 11/28/1995 | US5469660 Self-restoring railroad highway crossing gate device |
| 10/18/1995 | CN1110235A Digital signal alarm for unattended railway level-crossing |
| 10/04/1995 | CN1109427A Automatic-controlled signal device for railway cross where there is no watching person |
| 09/20/1995 | EP0619789B1 Track occupation warning system |
| 09/20/1995 | CN1108606A Warn unit |
| 08/23/1995 | CN2205792Y Hydraulic driver for crossing barrier |
| 06/07/1995 | CN2199908Y Automatic induction alarm device for vehicle pass through railway crossing |
| 05/17/1995 | CN1028422C Phonetic automatic alarm of railway crossing |
| 04/19/1995 | CN2194848Y Door type electrically-operated protection gate |
| 04/19/1995 | CN2194847Y Bidirectional folding barrier |
| 04/12/1995 | CN2194311Y Automatic monitoring alarm device for railway crossing |
| 03/02/1995 | WO1995005961A1 Method of controlling a safety device, and a safety device for carrying out this method |
| 03/01/1995 | CN2190593Y 一种道路阻挡信号装置 A road block the signaling device |
| 03/01/1995 | CN1099344A Design of rail/road grade crossing safety traffic |
| 01/26/1995 | DE4421327A1 Warning system |
| 01/25/1995 | CN2188060Y Auto-controlled signaller for rail/road crossing without person on duty |
| 11/17/1994 | EP0624255A1 A device for supervising an area |
| 10/26/1994 | CN2180552Y Crossing barrier lamp bell automatic controller |
| 09/14/1994 | EP0463127B1 Arrangement for identifying an object by means of structure-borne noise, and use of said arrangement |
| 07/19/1994 | US5331312 Obstacle-detecting apparatus |
| 06/08/1994 | CN2167912Y Automatic alarm for railway level crossing |
| 05/24/1994 | CA1329843C Crossing control unit |
| 05/24/1994 | CA1329842C Random signature island circuit |
| 04/27/1994 | CN2163115Y Railway crossing automatic alarm |
| 01/12/1994 | CN2152730Y Automatic alarm barrier controller for level crossing |
| 11/30/1993 | US5265831 Arrangement for detecting an object by means of sound conducted through a solid body and method of using such arrangement |
| 09/08/1993 | EP0558845A1 Snow and ice melting system and a heating unit for use therein |
| 09/08/1993 | CN1022028C Automatic railway crossing guard |
| 08/18/1993 | CN2140328Y Acoustooptic alarm for railway junction |
| 08/05/1993 | WO1993015416A1 A device for supervising an area |
| 07/11/1993 | CA2059155A1 Railroad crossing warning system |
| 07/08/1993 | WO1993012963A1 Track occupation warning system |
| 06/16/1993 | CN2136182Y Solar speech wireless safety alarm for railway level crossing |
| 06/02/1993 | CN2134953Y Easy to assemble or disassemble safety platform for rail crossing |
| 05/12/1993 | CN2132661Y Barrier for level crossing |
| 01/06/1993 | CN1019873C Cafety protecting system for railway level crossing |
| 12/15/1992 | US5170970 Method and apparatus for improving rail shunts |
| 12/09/1992 | CN2124174U Multifunction crossing alarm device |
| 11/18/1992 | CN2122100U Railway road junction minisize alarm flasher |
| 08/05/1992 | CN2111905U Railway crossing fender auto-controller |
| 07/21/1992 | US5131612 Arrangement for positively determining the actual sounding of a warning horn on a railway vehicle |
| 06/10/1992 | CN2106764U Means for warning that rail traffic is approaching the gate |
| 06/02/1992 | US5118056 Railroad crossing |