Punch, punching machine and method using the same
US-2025282072-A1 · Sep 11, 2025 · US
Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21D45/00 |
| Official title | Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass |
| Display label | Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass |
| Total patents | 22 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025282072-A1 · Sep 11, 2025 · US
US-2024421340-A1 · Dec 19, 2024 · US
US-2024293856-A1 · Sep 5, 2024 · US
US-11623266-B2 · Apr 11, 2023 · US
US-11465193-B2 · Oct 11, 2022 · US
US-11444358-B2 · Sep 13, 2022 · US
US-11267036-B2 · Mar 8, 2022 · US
US-2021305657-A1 · Sep 30, 2021 · US
US-2021300691-A1 · Sep 30, 2021 · US
US-2020206800-A1 · Jul 2, 2020 · US
US-2020001346-A1 · Jan 2, 2020 · US
US-2019337041-A1 · Nov 7, 2019 · US
US-10449593-B2 · Oct 22, 2019 · US
US-10406585-B2 · Sep 10, 2019 · US
US-10166735-B2 · Jan 1, 2019 · US
US-2017313015-A1 · Nov 2, 2017 · US
US-2016288190-A1 · Oct 6, 2016 · US
US-9381662-B2 · Jul 5, 2016 · US
US-9381560-B2 · Jul 5, 2016 · US
US-2015273561-A1 · Oct 1, 2015 · US