B61L29/243 - CPC Classification Index

ClassID:

68796 ⎘

B61L29/243 - 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 Transmission mechanism or acoustical signals for gates

Recent Application in this class:

20260021837

2026-01-22

MOBILE SENSOR-BASED RAILWAY CROSSING SAFETY DEVICE

20230347952

2023-11-02

MOBILE SENSOR-BASED RAILWAY CROSSING SAFETY DEVICE

20230100640

2023-03-30

Systems and methods for determining passage status of a train at a railroad crossing

20190145791

2019-05-16

System to provide real-time railroad grade crossing information to support traffic management decision-making

20180346003

2018-12-06

Railroad crossing gate monitoring and alarm system

20150298713

2015-10-22

Circuit arrangement for revealing light signal errors

20080103648

2008-05-01

Method and system for grade crossing protection