Arrangement for train protection
US-12403944-B2 · Sep 2, 2025 · US
using magnetic or electrostatic induction; using electromagnetic radiation · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61L3/22 |
| Official title | using magnetic or electrostatic induction; using electromagnetic radiation |
| Display label | using magnetic or electrostatic induction; using electromagnetic radiation |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 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-10913471-B2 · Feb 9, 2021 · US
US-2020086902-A1 · Mar 19, 2020 · US
US-10464427-B2 · Nov 5, 2019 · US
US-2018056792-A1 · Mar 1, 2018 · US