ClassID:

68804

B61L29/30 - CPC Classification

Classification description:

Safety means for rail/road crossing traffic; Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated Supervision, e.g. monitoring arrangements

Recent Application in this class:
#1
20260042474
2026-02-12

SYSTEMS AND METHODS FOR REMOTE ACTIVATION OF RAILROAD CROSSING SIGNALS

#2
20260008488
2026-01-08

SYSTEMS AND METHODS FOR CONTROLLING A RAILROAD CROSSING GATE

#3
20250313244
2025-10-09

REDUNDANT, SELF-DETERMINISTIC, FAILSAFE SENSOR SYSTEMS AND METHODS FOR RAILROAD CROSSING AND ADJACENT SIGNALIZED INTERSECTION VEHICULAR TRAFFIC CONTROL PREEMPTION

#4
20250276725
2025-09-04

WARNING LIGHT SENSOR SYSTEM FOR AUTOMATICALLY DETERMINING A PROPER OPERATION OF A RAILROAD CROSSING WARNING SYSTEM

#5
20250249941
2025-08-07

Automated Warning System for Uncontrolled Railroad Crossings

#6
20250100604
2025-03-27

RAILROAD SAFETY COMMUNICATION STRUCTURE

#7
20240270296
2024-08-15

REDUNDANT, SELF-DETERMINISTIC, FAILSAFE SENSOR SYSTEMS AND METHODS FOR RAILROAD CROSSING AND ADJACENT SIGNALIZED INTERSECTION VEHICULAR TRAFFIC CONTROL PREEMPTION

#8
20240227889
2024-07-11

RAILROAD CROSSING WARNING SYSTEM FOR ENHANCED ROUTE PLANNING BASED ON SPECTROGRAM ANALYSIS

#9
20240208555
2024-06-27

GRADE CROSSING GATE ARM POSITION DETECTION SYSTEM

#10
20240182093
2024-06-06

VIDEO ANALYTIC SENSOR SYSTEM AND METHODS FOR DETECTING RAILROAD CROSSING GATE POSITION AND RAILROAD OCCUPANCY

#11
20240157988
2024-05-16

PREDICTIVE RAILROAD CROSSING SAFETY NOTIFICATION AND TRAFFIC CONTROL SYSTEM AND METHODS

#12
20230322283
2023-10-12

Grade crossing control system and method for determining track circuit impedance

#13
20230238030
2023-07-27

METHODS FOR MODULATING INFLAMMASOME ACTIVITY AND INFLAMMATION IN THE LUNG

#14
20230073979
2023-03-09

AUTOMATED COUNTERBALANCE SYSTEM AND METHOD FOR DETERMINING COUNTERBALANCE AND ADJUSTING COUNTERWEIGHTS OF A CROSSING GATE

#15
20220379935
2022-12-01

Double-sided terminal board for grade crossing gate controller

#16
20220363300
2022-11-17

Grade crossing gate arm position detection system

#17
20220242465
2022-08-04

Intrusion Detection

#18
20220194442
2022-06-23

User interface for grade crossing gate controller

#19
20220185351
2022-06-16

Method, system, computer-readable medium comprising software code for estimating parameters of railway track circuits, and related track circuit

#20
20220111879
2022-04-14

Detecting the movement of a rail vehicle

#21
20210362760
2021-11-25

Controlling a level crossing and railway control arrangement

#22
20210309271
2021-10-07

Anomaly detection using machine learning

#23
20210284213
2021-09-16

System and method for providing railroad grade crossing status information to autonomous vehicles

#24
20210221415
2021-07-22

Redundant, self-deterministic, failsafe sensor systems and methods for railroad crossing and adjacent signalized intersection vehicular traffic control preemption

#25
20210142684
2021-05-13

Railroad crossing and adjacent signalized intersection vehicular traffic control preemption systems and methods

#26
20210139061
2021-05-13

WARNING LIGHT SENSOR SYSTEM FOR AUTOMATICALLY DETERMINING A PROPER OPERATION OF A RAILROAD CROSSING WARNING SYSTEM

#27
20210086811
2021-03-25

Railroad crossing gate light out detector apparatus and method

#28
20210086809
2021-03-25

Systems and methods for signal lights of traffic gates

#29
20210061328
2021-03-04

System and method for monitoring a railroad grade crossing

#30
20210053598
2021-02-25

Grade crossing control system

#31
20210053597
2021-02-25

Remote control of traffic gates

#32
20200398877
2020-12-24

RAILROAD CROSSING SAFETY ASSEMBLY

#33
20200339168
2020-10-29

CONTROL SYSTEM FOR SIGNALS AT RAILROAD GRADE CROSSING

#34
20200180670
2020-06-11

ADVANCED PREEMPTION

#35
20200047785
2020-02-13

Train detection system for a railway track, a method for detecting a train on a railway track, and a controller for a train detection system for detecting a train on a railway track

#36
20200039550
2020-02-06

System and method for controlling a level crossing of a railway track

#37
20190382040
2019-12-19

Automated warning time inspection at railroad grade crossings on a given track route

#38
20190351926
2019-11-21

Grade crossing gate arm position detection system

#39
20190351925
2019-11-21

Double-sided terminal board for grade crossing gate controller

#40
20190351920
2019-11-21

User interface for grade crossing gate controller

#41
20190337543
2019-11-07

Automated testing and reporting of timely activation of crossing warning equipment based on data originated from a real-time train tracking system

#42
20190308649
2019-10-10

Railway road crossing warning system with sensing system electrically-decoupled from railroad track

#43
20190256115
2019-08-22

Device for securing of railroad crossing against entry of vehicles at warning signaling

#44
20190185036
2019-06-20

Operations monitoring in an area

#45
20190135317
2019-05-09

Redundant, self-deterministic, failsafe sensor systems and methods for object detection, speed and heading

#46
20190135316
2019-05-09

Redundant, self-deterministic, failsafe sensor systems and methods for railroad crossing and adjacent signalized intersection vehicular traffic control preemption

#47
20190077429
2019-03-14

System for railway monitoring

#48
20190016358
2019-01-17

Train direction and speed determinations using laser measurements

#49
20180346003
2018-12-06

Railroad crossing gate monitoring and alarm system

#50
20180339718
2018-11-29

Railroad track powered measurement device and railroad measurement system

#51
20180273069
2018-09-27

System and method for controlling a level crossing

#52
20180273067
2018-09-27

System and method for controlling a level crossing

#53
20180273062
2018-09-27

System and method for controlling a level crossing

#54
20180222507
2018-08-09

Railroad crossing indication device, railroad crossing indication system, and method for displaying information at railroad crossings

#55
20180222506
2018-08-09

System for securing of safety of railroad crossing against vehicle entry during warning signaling

#56
20180215402
2018-08-02

Highway crossing out-of-service controller

#57
20180208223
2018-07-26

Method and system for sharing of information pertinent at a railway crossing

#58
20180194379
2018-07-12

Automated warning time inspection at railroad grade crossings on a given track route

#59
20180186392
2018-07-05

Control arrangement for a railroad level crossing

#60
20180038958
2018-02-08

Laser radar device and traveling body

#61
20180018888
2018-01-18

Connected vehicle traffic safety system and a method of predicting and avoiding crashes at railroad grade crossings

#62
20170320507
2017-11-09

Roadway worker safety system and methods of warning

#63
20170282946
2017-10-05

Method for commanding a railway level crossing protection system

#64
20170274917
2017-09-28

System for detecting obstructions on a railroad crossing

#65
20170088046
2017-03-30

System and method for fault tolerant roadway worker safety system

#66
20170080962
2017-03-23

Wireless communication system, wireless communication device, wireless communication method, movable fence control system, communication device, and movable fence device

#67
20170030993
2017-02-02

Track test load device and track test load system for calibrating a constant warning time device

#68
20160381758
2016-12-29

System and method for controlling a wayside device

#69
20160362122
2016-12-15

Railroad crossing warning system

#70
20160200334
2016-07-14

Video analytic sensor system and methods for detecting railroad crossing gate position and railroad occupancy

#71
20160189552
2016-06-30

Railroad crossing and adjacent signalized intersection vehicular traffic control preemption systems and methods

#72
20150325119
2015-11-12

Site-specific traffic analysis including identification of a traffic path

#73
20150323663
2015-11-12

Danger zone monitoring at a grade crossing

#74
20150309124
2015-10-29

Method and apparatus for revealing errors in the case of a light signal

#75
20150192636
2015-07-09

Systems and methods for predictive maintenance of crossings

#76
20150066255
2015-03-05

Methods and systems for detection and notification of blocked rail crossings

#77
20150034773
2015-02-05

TRAIN CROSSING SAFETY SYSTEM

#78
20140339374
2014-11-20

Operations monitoring in an area

#79
20140191090
2014-07-10

Method for operating a railway safety system, and railway safety system

#80
20140159941
2014-06-12

Device for detecting intruding objects, and method for detecting intruding objects

#81
20140034785
2014-02-06

Gate monitoring system

#82
20130261950
2013-10-03

Railroad crossing barrier estimating apparatus and vehicle

#83
20130200223
2013-08-08

CROSSING SAFETY SYSTEM

#84
20130018534
2013-01-17

Methods and systems for detection and notification of blocked rail crossings

#85
20120286103
2012-11-15

Systems and methods for redundant vehicle detection at highway-rail grade crossings

#86
20110315852
2011-12-29

Scanner arrangement

#87
20110284698
2011-11-24

Gate monitoring system

#88
20110084176
2011-04-14

RAILROAD CROSSING

#89
20100231414
2010-09-16

Signal alignment monitoring system and method of assembling the same

#90
20100090135
2010-04-15

System and method for determining characteristic information of an object positioned adjacent to a route

#91
20090201489
2009-08-13

Monitoring device

#92
20090194642
2009-08-06

Gate monitoring system

#93
20080296442
2008-12-04

Methods and systems for verifying the operation of a railroad gate

#94
20080169939
2008-07-17

EARLY WARNING CONTROL SYSTEM FOR VEHICULAR CROSSING SAFETY

#95
20080136632
2008-06-12

MICROWAVE DETECTION SYSTEM AND METHOD FOR DETECTING INTRUSION TO AN OFF-LIMITS ZONE

#96
20080103648
2008-05-01

Method and system for grade crossing protection

#97
20080073466
2008-03-27

Train crossing safety system

#98
20070274158
2007-11-29

Presence detection system for path crossing

#99
20070040070
2007-02-22

Railroad crossing surveillance and detection system

#100
20060265165
2006-11-23

Highway-rail grade crossing remote setup, calibration and troubleshooting

#101
20060265111
2006-11-23

Template crossing design and programming for highway-rail grade crossings

#102
20060261219
2006-11-23

Highway-rail grade crossing controller with out of service mode

#103
20060232440
2006-10-19

Microwave detection system and method

#104
20060186276
2006-08-24

SYSTEM FOR GRADE CROSSING ACCIDENT MITIGATION

#105
20060028356
2006-02-09

Microwave detection system and method for detecting intrusion to an off-limits zone

#106
20060022063
2006-02-02

Highway-rail grade crossing hazard mitigation

#107
20060017583
2006-01-26

Apparatus and method for monitoring the output of a warning or indicator light

#108
20060001547
2006-01-05

Apparatus and method for monitoring the output of a warning or indicator light

#109
20050253694
2005-11-17

Vehicle mounted pedestrian sensor system

#110
20050231387
2005-10-20

Railroad crossing monitoring and citation system

#111
20050231376
2005-10-20

Lighting system condition monitoring method and system

#112
20050060936
2005-03-24

Railroad grade crossing assembly

#113
15814692
2020-08-25

Remote railway crossing programmable device and methods thereof

#114
14612336
2018-03-27

Highway crossing out-of-service controller