Circuit system for railroad vehicle
US-11097620-B2 · Aug 24, 2021 · US
fed from AC supply lines
fed from AC supply lines · 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 | B60L9/24 |
| Official title | fed from AC supply lines |
| Display label | fed from AC supply lines |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power converter for railroad vehicle
US-10906405-B2 · Feb 2, 2021 · US
Electrical system of a rail vehicle, rail vehicle, and process for operating an electrical system
US-10857888-B2 · Dec 8, 2020 · US
Electrified railway power grid system without negative sequence in whole process and without power supply networks at intervals
US-10850637-B2 · Dec 1, 2020 · US
Inductively transferring electric energy to a vehicle using consecutive segments which are operated at the same time
US-10836266-B2 · Nov 17, 2020 · US
Collected current monitoring device
US-10828988-B2 · Nov 10, 2020 · US
Power converter and railroad vehicle
US-2020298707-A1 · Sep 24, 2020 · US
Electrical System of a Rail Vehicle, Rail Vehicle, and Process for Operating an Electrical System
US-2020254881-A1 · Aug 13, 2020 · US
Power conversion controller
US-2020238835-A1 · Jul 30, 2020 · US
Vehicle electrical system for a rail vehicle, method for operating the vehicle electrical system, and rail vehicle
US-2020216102-A1 · Jul 9, 2020 · US
Mining vehicle and method for starting an ac electric motor of a mining vehicle
US-2020119665-A1 · Apr 16, 2020 · US
Power conversion system
US-10611245-B2 · Apr 7, 2020 · US
Power conversion system
US-10525838-B2 · Jan 7, 2020 · US
Converter system for electrically driving a vehicle
US-10513187-B2 · Dec 24, 2019 · US
Power conversion controller for electric train
US-10516345-B2 · Dec 24, 2019 · US
Electric vehicle control device
US-10486536-B2 · Nov 26, 2019 · US
Circuit system for railroad vehicle
US-2019299789-A1 · Oct 3, 2019 · US
Power conversion controller for electric train
US-2019135117-A1 · May 9, 2019 · US
Car control device
US-10259326-B2 · Apr 16, 2019 · US
Collected current monitoring device
US-2019092172-A1 · Mar 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60L9/24?
- CPC B60L9/24 is the Cooperative Patent Classification code for “fed from AC supply lines.”
- How many patents are filed under CPC B60L9/24 (fed from AC supply lines)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC B60L9/24 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).