Monitoring system for monitoring a condition of an electric rail system and/or of a current collector of the rail system
US-12269519-B2 · Apr 8, 2025 · US
This page is not indexed by search engines while we improve data quality.
using electric current passing between devices along the route and devices on the vehicle or train
using electric current passing between devices along the route and devices on the vehicle or train · 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 | B61L3/18 |
| Official title | using electric current passing between devices along the route and devices on the vehicle or train |
| Display label | using electric current passing between devices along the route and devices on the vehicle or train |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for estimating temperature-related forces in railway lines
US-2023094944-A1 · Mar 30, 2023 · US
Rail breakage detection device and rail breakage detection system
US-11325623-B2 · May 10, 2022 · US
Monitoring system for monitoring a condition of an electric rail system and/or of a current collector of the rail system
US-2020010100-A1 · Jan 9, 2020 · US
Method, controller and system for detecting a leakage of a track signal on at least one railway track
US-10527660-B2 · Jan 7, 2020 · US
Rail breakage detection device and rail breakage detection system
US-2019351923-A1 · Nov 21, 2019 · US
Changing between segments of a network
US-10484047-B2 · Nov 19, 2019 · US
System and method for reducing the electric power consumption of railway system
US-10195955-B2 · Feb 5, 2019 · US
System and method for reducing the electric power consumption of railway system
US-2018222500-A1 · Aug 9, 2018 · US
Changing Between Segments of a Network
US-2018198486-A1 · Jul 12, 2018 · US
Data transmission in a segmented communication network
US-9980288-B2 · May 22, 2018 · US
Route examining system and method
US-9834237-B2 · Dec 5, 2017 · US
Method for controlling a land transport vehicle, land transport vehicle, ground equipment and transport system
US-9809234-B2 · Nov 7, 2017 · US
Method for controlling a land transport vehicle, land transport vehicle, ground equipment and transport system
US-9811137-B2 · Nov 7, 2017 · US
Method for controlling a land transport vehicle, land transport vehicle, ground equipment and transport system
US-9796399-B2 · Oct 24, 2017 · US
Method for controlling a land transport vehicle, land transport vehicle, ground equipment and transport system
US-2017282943-A1 · Oct 5, 2017 · US
Method for controlling a land transport vehicle, land transport vehicle, ground equipment and transport system
US-2017282945-A1 · Oct 5, 2017 · US
Collector wire network for communication of locally fixed systems parts with at least one variable-location system part
US-9667319-B2 · May 30, 2017 · US
Method, controller and system for detecting a leakage of a track signal on at least one railway track
US-2017089964-A1 · Mar 30, 2017 · US
Data Transmission In A Segmented Communication Network
US-2016345361-A1 · Nov 24, 2016 · US