ClassID:

68548

B61L1/188 - CPC Classification

Classification description:

Devices along the route controlled by interaction with the vehicle or vehicle train, e.g. pedals; Railway track circuits; Details Use of coded current

Recent Application in this class:
#1
20260116439
2026-04-30

SYSTEM AND METHOD FOR VIRTUAL BLOCK OPERATIONAL STATUS CONTROL WITH LONG BLOCK TIME DELAY

#2
20250033679
2025-01-30

SYSTEM AND METHOD FOR VIRTUAL BLOCK STICK CIRCUITS

#3
20240149931
2024-05-09

RAILWAY DETECTION SYSTEM, RAILWAY INFRASTRUCTURE AND METHOD FOR DETECTING THE PRESENCE OF A RAILWAY VEHICLE

#4
20240001975
2024-01-04

RAILROAD VIRTUAL TRACK BLOCK SYSTEM

#5
20230166780
2023-06-01

SYSTEM AND METHOD FOR VIRTUAL BLOCK OPERATIONAL STATUS CONTROL WITH LONG BLOCK TIME DELAY

#6
20230083828
2023-03-16

System and method for virtual block stick circuits

#7
20220402536
2022-12-22

Mount for simulated rail track load inductor

#8
20220089203
2022-03-24

Railroad virtual track block system

#9
20220032975
2022-02-03

System and method for virtual block stick circuits

#10
20210253148
2021-08-19

Railroad virtual track block system

#11
20210253147
2021-08-19

Railroad virtual track block system

#12
20210146972
2021-05-20

Method, system, and computer-readable medium comprising software code for communicating data from a transmitter to a receiver via a physical transmission medium, and related railway track circuit

#13
20210139059
2021-05-13

Track circuit with continued distance monitoring and broken rail protection

#14
20210086805
2021-03-25

Railroad virtual track block system

#15
20210053598
2021-02-25

Grade crossing control system

#16
20200307660
2020-10-01

Method, system, and software code for calibration of rail track circuits, and related rail track circuit

#17
20180339718
2018-11-29

Railroad track powered measurement device and railroad measurement system

#18
20180319413
2018-11-08

Railroad virtual track block system

#19
20180281830
2018-10-04

System and method for detecting the presence of a train on a railway track

#20
20180265106
2018-09-20

Monitoring device for monitoring a railway track, associated method and monitoring system for monitoring a railway track

#21
20180265104
2018-09-20

Warm or hot standby track card module for use on a wayside of a railway system

#22
20180093684
2018-04-05

Wayside communication system using power grid lines

#23
20160280242
2016-09-29

Automatic train stop control system

#24
20160252563
2016-09-01

System and method employing joint bypass circuit to test insulated joints in track systems

#25
20160176420
2016-06-23

Track circuit power supply vital monitor

#26
20160152251
2016-06-02

Track circuit mechanical joint integrity checker

#27
20160075356
2016-03-17

Broken rail detection system for railway systems

#28
20140124628
2014-05-08

Railway circuit for sending signalling information along a railway line to a vehicle travelling along the railway line

#29
20140119414
2014-05-01

Railway code generation and signaling system and method

#30
20140103167
2014-04-17

Train control system with pulse-code-modulated cab signaling

#31
20140014783
2014-01-16

Device for detecting the occupied or available status of a track segment and method for operating such a device

#32
20140012438
2014-01-09

System, method, and computer-readable medium for track circuit monitoring and alerting in automatic train control systems

#33
20130284859
2013-10-31

System and method for detecting broken rail and occupied track from a railway vehicle

#34
20130015296
2013-01-17

Method and apparatus for determination of the track occupancy state of a track circuit on a railway line via sequential decoding

#35
20110315828
2011-12-29

Devices for detecting the occupied state or the free state of a track section and method for operating such devices

#36
20110309204
2011-12-22

DEVICE FOR DETECTING THE OCCUPIED STATE AND THE FREE STATE OF A TRACK SECTION AS WELL AS METHOD FOR OPERATING SUCH A DEVICE

#37
20110284697
2011-11-24

Method and apparatus for supplying a track circuit

#38
20110228882
2011-09-22

Decoding algorithm for frequency shift key communications

#39
20110226909
2011-09-22

Crossing predictor with authorized track speed input

#40
20110147535
2011-06-23

Track circuit

#41
20110011985
2011-01-20

Track circuit communications

#42
20060249631
2006-11-09

Method and system providing sleep and wake-up modes for railway track circuit unit

#43
20060155433
2006-07-13

Train detection system and a train detection method

#44
20050075765
2005-04-07

Transmitter and receiver device for train detection

#45
16259243
2020-04-07

Train detection system for a railway track section, associated railway track section, and associated method for detecting presence of a railway vehicle on a track section

#46
14664993
2016-07-12

Automatic train stop control system