System and method for railroad smart flasher lamps
US-2025358915-A1 · Nov 20, 2025 · US
Wiring diagram of the signal control circuits · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61L29/288 |
| Official title | {Wiring diagram of the signal control circuits} |
| Display label | Wiring diagram of the signal control circuits |
| Total patents | 12 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025358915-A1 · Nov 20, 2025 · US
US-12376212-B2 · Jul 29, 2025 · US
US-2025026389-A1 · Jan 23, 2025 · US
US-2024237172-A1 · Jul 11, 2024 · US
US-11943852-B2 · Mar 26, 2024 · US
US-2023269848-A1 · Aug 24, 2023 · US
US-11208131-B2 · Dec 28, 2021 · US
US-2020346676-A1 · Nov 5, 2020 · US
US-10589766-B2 · Mar 17, 2020 · US
US-10292230-B2 · May 14, 2019 · US
US-2018346003-A1 · Dec 6, 2018 · US
US-2016381758-A1 · Dec 29, 2016 · US