Patents
Patents for B61L 29 - Safety means for rail/road crossing traffic (1,017)
06/1998
06/30/1998US5774045 Arrangement for detecting objects in a region to be monitored
06/09/1998US5762443 Ground retractable automobile barrier
05/1998
05/28/1998DE19648516A1 Railway level crossing status information transmission
05/22/1998WO1998021079A1 Method of automatically adapting setpoint inputs for a danger zone monitoring system and arrangement for carrying out this method
05/07/1998WO1998019014A1 Barrier drive shaft
05/05/1998US5747954 Highway crossing guard mechanism controller
04/1998
04/23/1998DE19648623C1 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
04/22/1998CN2279285Y Electric gate operating apparatus
04/14/1998US5739768 Train proximity detector
04/07/1998US5735492 Railroad crossing traffic warning system apparatus and method therefore
04/07/1998US5735491 Method and apparatus for detecting an approaching train by detecting a brake system status signal
03/1998
03/25/1998CN2276895Y Rail safety protecting device of railway crossing
03/17/1998US5729213 Train warning system
02/1998
02/26/1998WO1998007610A1 Information generator using elastic wave
02/18/1998CN2274594Y Railway alarm on guardfree crossroad
01/1998
01/16/1998CA2185052A1 Railway crossing collision avoidance system
01/02/1998DE19623524A1 Monitoring unit for danger area at railway level crossing
12/1997
12/23/1997US5699986 Railway crossing collision avoidance system
12/11/1997DE19621612A1 Method of optical free space monitoring, esp. for monitoring track areas in railway stations for objects not normally present
11/1997
11/19/1997CN1165102A Elastic balance mechanism
10/1997
10/28/1997US5682150 Remote control train warning apparatus
10/21/1997US5680120 Transportation safety apparatus and method
10/08/1997EP0715581B1 Method of controlling a safety device, and a safety device for carrying out this method
10/02/1997DE19612579A1 Danger space control monitoring arrangement
10/01/1997CN2263613Y Automatic hydraulic panel turnover device for crossing guard bar
08/1997
08/28/1997WO1997030879A1 Remote monitoring system
08/20/1997CN2260034Y Automatic control device for rail/road crossing needing no manual operation
07/1997
07/17/1997WO1997025235A1 Railroad traffic warning system apparatus and method therefor
07/10/1997WO1997024704A1 Train proximity detector
06/1997
06/25/1997CN1152958A Arrangement for detecting objects in a region to be monitored
06/17/1997US5639047 Railroad signal with remote light source
05/1997
05/07/1997EP0771430A1 Arrangement for detecting objects in a region to be monitored
04/1997
04/29/1997US5625340 Device for supervising an area
04/16/1997CN1147661A Wireless traffic and vehicle signal indication system
04/15/1997US5620155 Railway train signalling system for remotely operating warning devices at crossings and for receiving warning device operational information
03/1997
03/12/1997EP0761523A2 Method for integrating level crossings in automatic rail vehicle control and protection
03/05/1997CN2248675Y Automatic safety control device for level gate at crossing traffic for railway
02/1997
02/25/1997US5605418 Road snow melting system using a surface heating element
01/1997
01/25/1997CA2180612A1 Railroad signal with remote light source
12/1996
12/25/1996CN2243417Y Automatic cross alarm
09/1996
09/10/1996US5554982 Wireless train proximity alert system
08/1996
08/14/1996CN2232876Y Automatic safety alarm for railway cross
07/1996
07/10/1996CN2230692Y Self-balancing electric driving barrier for railway line
06/1996
06/12/1996EP0715581A1 Method of controlling a safety device, and a safety device for carrying out this method
05/1996
05/29/1996CN1123234A Safety-device system for automobile at cross junction of railway and road
05/22/1996CN2227694Y Double-face hollow board
05/08/1996CN2226660Y Hand-operated pumping and air-blasting dual-purpose machine
05/01/1996CN2226007Y Hydraulic barrier for level crossing
03/1996
03/20/1996CN2222658Y Forced control obstacle for rail/road crossing traffic
03/20/1996CN2222657Y Forced control railings for rail/road crossing traffic
03/06/1996CN2221529Y Electric-lifting crossing preventing gate
02/1996
02/01/1996WO1996002859A1 Arrangement for detecting objects in a region to be monitored
12/1995
12/20/1995CN2215440Y Safety protection automatic controller for crossing of railway line
12/13/1995CN2214914Y Automatic rising and falling gate device for rail/road crossing traffic
12/12/1995US5474266 Railroad highway crossing
12/06/1995CN2214332Y Electric railing with multiplex protective function
12/06/1995CN2214331Y Railway junction alarming device
11/1995
11/28/1995US5469660 Self-restoring railroad highway crossing gate device
10/1995
10/18/1995CN1110235A Digital signal alarm for unattended railway level-crossing
10/04/1995CN1109427A Automatic-controlled signal device for railway cross where there is no watching person
09/1995
09/20/1995EP0619789B1 Track occupation warning system
09/20/1995CN1108606A Warn unit
08/1995
08/23/1995CN2205792Y Hydraulic driver for crossing barrier
06/1995
06/07/1995CN2199908Y Automatic induction alarm device for vehicle pass through railway crossing
05/1995
05/17/1995CN1028422C Phonetic automatic alarm of railway crossing
04/1995
04/19/1995CN2194848Y Door type electrically-operated protection gate
04/19/1995CN2194847Y Bidirectional folding barrier
04/12/1995CN2194311Y Automatic monitoring alarm device for railway crossing
03/1995
03/02/1995WO1995005961A1 Method of controlling a safety device, and a safety device for carrying out this method
03/01/1995CN2190593Y 一种道路阻挡信号装置 A road block the signaling device
03/01/1995CN1099344A Design of rail/road grade crossing safety traffic
01/1995
01/26/1995DE4421327A1 Warning system
01/25/1995CN2188060Y Auto-controlled signaller for rail/road crossing without person on duty
11/1994
11/17/1994EP0624255A1 A device for supervising an area
10/1994
10/26/1994CN2180552Y Crossing barrier lamp bell automatic controller
09/1994
09/14/1994EP0463127B1 Arrangement for identifying an object by means of structure-borne noise, and use of said arrangement
07/1994
07/19/1994US5331312 Obstacle-detecting apparatus
06/1994
06/08/1994CN2167912Y Automatic alarm for railway level crossing
05/1994
05/24/1994CA1329843C Crossing control unit
05/24/1994CA1329842C Random signature island circuit
04/1994
04/27/1994CN2163115Y Railway crossing automatic alarm
01/1994
01/12/1994CN2152730Y Automatic alarm barrier controller for level crossing
11/1993
11/30/1993US5265831 Arrangement for detecting an object by means of sound conducted through a solid body and method of using such arrangement
09/1993
09/08/1993EP0558845A1 Snow and ice melting system and a heating unit for use therein
09/08/1993CN1022028C Automatic railway crossing guard
08/1993
08/18/1993CN2140328Y Acoustooptic alarm for railway junction
08/05/1993WO1993015416A1 A device for supervising an area
07/1993
07/11/1993CA2059155A1 Railroad crossing warning system
07/08/1993WO1993012963A1 Track occupation warning system
06/1993
06/16/1993CN2136182Y Solar speech wireless safety alarm for railway level crossing
06/02/1993CN2134953Y Easy to assemble or disassemble safety platform for rail crossing
05/1993
05/12/1993CN2132661Y Barrier for level crossing
01/1993
01/06/1993CN1019873C Cafety protecting system for railway level crossing
12/1992
12/15/1992US5170970 Method and apparatus for improving rail shunts
12/09/1992CN2124174U Multifunction crossing alarm device
11/1992
11/18/1992CN2122100U Railway road junction minisize alarm flasher
08/1992
08/05/1992CN2111905U Railway crossing fender auto-controller
07/1992
07/21/1992US5131612 Arrangement for positively determining the actual sounding of a warning horn on a railway vehicle
06/1992
06/10/1992CN2106764U Means for warning that rail traffic is approaching the gate
06/02/1992US5118056 Railroad crossing
1 2 3 4 5 6 7 8 9 10 11