Train equal-interval adjustment method, medium and electronic device
US-2025285051-A1 · Sep 11, 2025 · US
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for controlling traffic in two directions over the same pair of rails
for controlling traffic in two directions over the same pair of rails · 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 | B61L23/22 |
| Official title | for controlling traffic in two directions over the same pair of rails |
| Display label | for controlling traffic in two directions over the same pair of rails |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Train control method, storage medium, on-board controller, and train
US-2025162628-A1 · May 22, 2025 · US
Method for trains to establish virtual coupling operation mode
US-2023311959-A1 · Oct 5, 2023 · US
Vehicle system
US-11267496-B2 · Mar 8, 2022 · US
Computing train route for PTC onboard system to navigate over a loop track
US-11014588-B2 · May 25, 2021 · US
Vehicle system
US-2021146973-A1 · May 20, 2021 · US
Computing Train Route for PTC Onboard System to Navigate Over a Loop Track
US-2020189632-A1 · Jun 18, 2020 · US
Control of rail vehicles
US-10086856-B2 · Oct 2, 2018 · US
Work vehicle control system
US-2018113451-A1 · Apr 26, 2018 · US
Track collision avoidance control system
US-9569969-B2 · Feb 14, 2017 · US
Railway transport management
US-9478142-B2 · Oct 25, 2016 · US
Work vehicle control system
US-2016202698-A1 · Jul 14, 2016 · US
Method and system for communicating data with vehicles
US-9327740-B2 · May 3, 2016 · US
Computer-implemented method and system for managing conditional authorities in a vehicle network
US-9254855-B2 · Feb 9, 2016 · US
Computer-Implemented Method and System for Managing Conditional Authorities in a Vehicle Network
US-2015353110-A1 · Dec 10, 2015 · US
Track collision avoidance control system
US-2015302752-A1 · Oct 22, 2015 · US
Control of Rail Vehicles
US-2015274185-A1 · Oct 1, 2015 · US
Train control system with pulse-code-modulated cab signaling
US-8998147-B2 · Apr 7, 2015 · US