Screen door control method supporting both coupling and baggage carriage
US-2025388246-A1 · Dec 25, 2025 · US
Indicators provided on the vehicle or train for signalling purposes
Indicators provided on the vehicle or train for signalling purposes · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61L15/00 |
| Official title | Indicators provided on the vehicle or train for signalling purposes |
| Display label | Indicators provided on the vehicle or train for signalling purposes |
| Total patents | 66 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 3 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 13 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rf-powered railway monitoring system and method using the same
US-2025289486-A1 · Sep 18, 2025 · US
Control device, drive train having such a control device, motor vehicle having such a drive train, and method for operating such a control device
US-2025289485-A1 · Sep 18, 2025 · US
Electronic braking indication system for at least one vehicle, particularly at least one railway vehicle
US-2025206360-A1 · Jun 26, 2025 · US
Interconnection and intercommunication method and system for virtual marshalling train control system in heavy haul railway
US-2025178654-A1 · Jun 5, 2025 · US
Train obstacle information display method and device
US-2025162624-A1 · May 22, 2025 · US
Beidou satellite-based initial train positioning calculation method and positioning system
US-2025130336-A1 · Apr 24, 2025 · US
Engine Health Monitoring System
US-2025123183-A1 · Apr 17, 2025 · US
Device for monitoring rail bogie and associated rail bogie
US-2025074484-A1 · Mar 6, 2025 · US
Safety check method and device for coupling of multiple train units in rail transit, and medium
US-2025050923-A1 · Feb 13, 2025 · US
Safe coding method for trackside train positioning information
US-2025002061-A1 · Jan 2, 2025 · US
State testing method for rail vehicle, on-board controller, and zone controller
US-12179818-B2 · Dec 31, 2024 · US
Adaptively adjusted and accurate parking control method for ato system
US-2024416879-A1 · Dec 19, 2024 · US
System and method for controlling an axle of a vehicle
US-12128938-B2 · Oct 29, 2024 · US
Train management method and system
US-12097895-B2 · Sep 24, 2024 · US
Method and arrangement for distributing passengers in a passenger train
US-12030534-B2 · Jul 9, 2024 · US
Vehicle driving assistance method, onboard device, and vehicle having onboard device
US-11999395-B2 · Jun 4, 2024 · US
Passenger vehicle and operation management system
US-11961400-B2 · Apr 16, 2024 · US
Light train control system applied to oversea freight railways
US-2023278603-A1 · Sep 7, 2023 · US
Train operation control system and method based on train-ground coordination
US-2023257010-A1 · Aug 17, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61L15/00?
- CPC B61L15/00 is the Cooperative Patent Classification code for “Indicators provided on the vehicle or train for signalling purposes.”
- How many patents are filed under CPC B61L15/00 (Indicators provided on the vehicle or train for signalling purposes)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC B61L15/00 growing?
- Publication counts under this code: 7 in 2024 vs 13 in 2025 (latest complete years).