Interconnection and intercommunication method and system for virtual marshalling train control system in heavy haul railway
US-2025178654-A1 · Jun 5, 2025 · US
Devices along the route controlled by interaction with the vehicle or train (detonators B61L5/20; operation of points or signals by passage of the vehicle B61L11/00, B61L13/00; operation of gates, or gates and signals, by approaching vehicle B61L29/18) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61L1/00 |
| Official title | Devices along the route controlled by interaction with the vehicle or train (detonators B61L5/20; operation of points or signals by passage of the vehicle B61L11/00, B61L13/00; operation of gates, or gates and signals, by approaching vehicle B61L29/18) |
| Display label | Devices along the route controlled by interaction with the vehicle or train (detonators B61L5/20; operation of points or signals by passage of the vehicle B61L11/00, B61L13/00; operation of gates, or gates and signals, by approaching vehicle B61L29/18) |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025178654-A1 · Jun 5, 2025 · US
US-2025145185-A1 · May 8, 2025 · US
US-2025100589-A1 · Mar 27, 2025 · US
US-12195052-B2 · Jan 14, 2025 · US
US-12172679-B2 · Dec 24, 2024 · US
US-11952027-B2 · Apr 9, 2024 · US
US-2024010244-A1 · Jan 11, 2024 · US
US-11787447-B2 · Oct 17, 2023 · US
US-2023202532-A1 · Jun 29, 2023 · US
US-11613278-B2 · Mar 28, 2023 · US
US-11390295-B2 · Jul 19, 2022 · US
US-2021354738-A1 · Nov 18, 2021 · US
US-2021188299-A1 · Jun 24, 2021 · US
US-10835832-B2 · Nov 17, 2020 · US
US-2020306652-A1 · Oct 1, 2020 · US
US-2020307651-A1 · Oct 1, 2020 · US
US-2020307650-A1 · Oct 1, 2020 · US
US-10288218-B2 · May 14, 2019 · US
US-10108881-B2 · Oct 23, 2018 · US
US-10027142-B2 · Jul 17, 2018 · US
Answers are generated from the same data shown on this page.