ClassID:

68790

B61L29/22 - CPC Classification

Classification description:

Safety means for rail/road crossing traffic; Operation of gates; Combined operation of gates and signals; Operation by approaching rail vehicle or rail vehicle train electrically

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

SYSTEMS AND METHODS FOR REMOTE ACTIVATION OF RAILROAD CROSSING SIGNALS

#2
20250373181
2025-12-04

SYSTEMS AND METHODS FOR PROVIDING MOTOR CONTROL FOR A CROSSING GATE MECHANISM

#3
20250334430
2025-10-30

PROVIDING AUTO-CALIBRATION OF ACCELEROMETER AND/OR HALL-SENSE POSITION COUNTER IN A CROSSING GATE MECHANISM

#4
20250237370
2025-07-24

RAILROAD CROSSING GATE LAMP SYSTEM

#5
20250058808
2025-02-20

CROSSING GATE MECHANISM WITH PROGRAMMABLE ELECTRONIC SWITCHING DEVICES

#6
20240208555
2024-06-27

GRADE CROSSING GATE ARM POSITION DETECTION SYSTEM

#7
20240194047
2024-06-13

CROSSING GATE MECHANISM WITH INTEGRATED MAINTENANCE STATUS ALARM

#8
20240059331
2024-02-22

DEVICE AND METHOD FOR DETECTING AN OBSTRUCTION OF A RAILROAD CROSSING GATE

#9
20240034376
2024-02-01

DEVICE AND METHOD FOR RESPONDING TO LOSS-OF-BRAKE ON A RAILROAD CROSSING GATE MECHANISM

#10
20230399038
2023-12-14

CROSSING GATE MECHANISM WITH INTEGRATED COVER OR DOOR DETECTION SCHEME

#11
20230271639
2023-08-31

RECONFIGURABLE PCB FOR BRAKE OPERATION OF EXIT AND ENTRANCE CROSSING GATE MECHANISM

#12
20230073979
2023-03-09

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

#13
20220416693
2022-12-29

Dynamic load system and method for simulating a crossing gate mechanism

#14
20220379935
2022-12-01

Double-sided terminal board for grade crossing gate controller

#15
20220363300
2022-11-17

Grade crossing gate arm position detection system

#16
20220194442
2022-06-23

User interface for grade crossing gate controller

#17
20220097746
2022-03-31

Monitoring of barrier gates at level crossings

#18
20210284213
2021-09-16

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

#19
20210190300
2021-06-24

Railroad crossing gate lamp system

#20
20210142684
2021-05-13

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

#21
20210086809
2021-03-25

Systems and methods for signal lights of traffic gates

#22
20210001908
2021-01-07

Highway grade crossing gate system including a gate mechanism to rotate a gate arm with human machine interface and voltage reduction circuit

#23
20200339168
2020-10-29

CONTROL SYSTEM FOR SIGNALS AT RAILROAD GRADE CROSSING

#24
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

#25
20200017134
2020-01-16

Railroad crossing control system including constant warning time device and axle counter system

#26
20190351926
2019-11-21

Grade crossing gate arm position detection system

#27
20190351925
2019-11-21

Double-sided terminal board for grade crossing gate controller

#28
20190351920
2019-11-21

User interface for grade crossing gate controller

#29
20190308649
2019-10-10

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

#30
20190300029
2019-10-03

Speed proving method and apparatus

#31
20190248395
2019-08-15

Method and arrangement for securing a railroad crossing

#32
20190144024
2019-05-16

Method for securing a level crossing, and stationary control device for a train control system

#33
20180273069
2018-09-27

System and method for controlling a level crossing

#34
20180273068
2018-09-27

Method for controlling a level crossing and railway installation for implementing such method

#35
20180273067
2018-09-27

System and method for controlling a level crossing

#36
20180273062
2018-09-27

System and method for controlling a level crossing

#37
20180208223
2018-07-26

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

#38
20180202636
2018-07-19

Railroad crossing gate lamp system

#39
20170313331
2017-11-02

Railroad car location, speed, and heading detection system and methods with self-powered wireless sensor nodes

#40
20170282946
2017-10-05

Method for commanding a railway level crossing protection system

#41
20170072975
2017-03-16

Railway signal crossing bypass

#42
20170030993
2017-02-02

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

#43
20160257322
2016-09-08

Train direction and route detection via wireless sensors

#44
20160189552
2016-06-30

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

#45
20160160449
2016-06-09

Structure for Railroad Ties Having Data Acquisition, Processing and Transmission Means

#46
20150321684
2015-11-12

Device for traffic-dependent control of barriers and light signals at a grade crossing

#47
20150292164
2015-10-15

Structure for railroad ties having data acquisition, processing and transmission means

#48
20140367526
2014-12-18

Systems and methods for controlling warnings at vehicle crossings

#49
20140365160
2014-12-11

Systems and methods for testing wayside units

#50
20140361126
2014-12-11

Systems and method for controlling warnings at vehicle crossings

#51
20140346284
2014-11-27

Systems and methods for management of crossings near stations

#52
20130341468
2013-12-26

Vehicle detection system

#53
20130277506
2013-10-24

Vital solid state controller

#54
20130015297
2013-01-17

Systems and method for a crossing equipment controller

#55
20120181390
2012-07-19

Vehicle detection system

#56
20120132758
2012-05-31

Vital solid state controller

#57
20120091287
2012-04-19

Structure for railroad ties having data acquisition, processing and transmission means

#58
20080183306
2008-07-31

Vital solid state controller

#59
20080169385
2008-07-17

Vehicle detection system

#60
20060080009
2006-04-13

Method and system for ensuring that a train does not pass an improperly configured device

#61
20050009497
2005-01-13

Dual-mode transmitter for railroad crossings