Railway Vehicle and Method for Manufacturing Railway Vehicle
US-2024208554-A1 · Jun 27, 2024 · US
Underframes (making railway vehicle underframes by forging or pressing B21K7/12) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61F1/00 |
| Official title | Underframes (making railway vehicle underframes by forging or pressing B21K7/12) |
| Display label | Underframes (making railway vehicle underframes by forging or pressing B21K7/12) |
| Total patents | 54 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 5 |
| 2021 | 12 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024208554-A1 · Jun 27, 2024 · US
US-11981358-B2 · May 14, 2024 · US
US-11938977-B2 · Mar 26, 2024 · US
US-11904910-B2 · Feb 20, 2024 · US
US-11708096-B2 · Jul 25, 2023 · US
US-2022410945-A1 · Dec 29, 2022 · US
US-2022402529-A1 · Dec 22, 2022 · US
US-11338830-B2 · May 24, 2022 · US
US-11225270-B2 · Jan 18, 2022 · US
US-11198455-B2 · Dec 14, 2021 · US
US-11186300-B2 · Nov 30, 2021 · US
US-11173928-B2 · Nov 16, 2021 · US
US-11130506-B2 · Sep 28, 2021 · US
US-2021229710-A1 · Jul 29, 2021 · US
US-2021229709-A1 · Jul 29, 2021 · US
US-2021221413-A1 · Jul 22, 2021 · US
US-11046336-B2 · Jun 29, 2021 · US
US-2021061318-A1 · Mar 4, 2021 · US
US-2021061317-A1 · Mar 4, 2021 · US
US-10906563-B2 · Feb 2, 2021 · US
Answers are generated from the same data shown on this page.