Arrangement for train protection
US-12403944-B2 · Sep 2, 2025 · US
using separate conductors along the route · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61L3/225 |
| Official title | {using separate conductors along the route} |
| Display label | using separate conductors along the route |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2019 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12403944-B2 · Sep 2, 2025 · US
US-2025115284-A1 · Apr 10, 2025 · US
US-11999390-B2 · Jun 4, 2024 · US
US-2022219743-A1 · Jul 14, 2022 · US
US-10464427-B2 · Nov 5, 2019 · US
US-10435053-B2 · Oct 8, 2019 · US
US-2018339721-A1 · Nov 29, 2018 · US
US-2018056792-A1 · Mar 1, 2018 · US