Portable electric knockout punch
US-2025381590-A1 · Dec 18, 2025 · US
Drive of the tools (B21D28/007 and B21D28/20 take precedence)
Drive of the tools (B21D28/007 and B21D28/20 take precedence) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21D28/002 |
| Official title | {Drive of the tools (B21D28/007 and B21D28/20 take precedence)} |
| Display label | Drive of the tools (B21D28/007 and B21D28/20 take precedence) |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Workpiece processing apparatus
US-12496628-B2 · Dec 16, 2025 · US
Hydraulic hand-held knockout punch driver
US-2025083353-A1 · Mar 13, 2025 · US
Hydraulic hand-held knockout punch driver
US-12157242-B2 · Dec 3, 2024 · US
Trimming device and method for rectangular container, and rectangular container
US-2024326141-A1 · Oct 3, 2024 · US
In-die detection sensor for tapping assembly
US-2024316612-A1 · Sep 26, 2024 · US
Workpiece processing apparatus
US-2023381849-A1 · Nov 30, 2023 · US
Stud punch
US-2023107079-A1 · Apr 6, 2023 · US
Press device
US-11440075-B2 · Sep 13, 2022 · US
Knife Gate Valve Liner
US-2022032486-A1 · Feb 3, 2022 · US
Forging and inclined window hole punching composite die
US-11203052-B2 · Dec 21, 2021 · US
Hydraulic hand-held knockout punch driver
US-11148312-B2 · Oct 19, 2021 · US
Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece
US-10982690-B2 · Apr 20, 2021 · US
Punch press
US-10953452-B2 · Mar 23, 2021 · US
Dynamic balance device for press machine
US-10850466-B2 · Dec 1, 2020 · US
Machining apparatus
US-10843249-B2 · Nov 24, 2020 · US
Stamping apparatus and stamping method
US-2020290107-A1 · Sep 17, 2020 · US
Forging and inclined window hole punching composite die
US-2020261963-A1 · Aug 20, 2020 · US
Spring deflection control assembly
US-10704635-B2 · Jul 7, 2020 · US
Automatic cleaner and pressing device
US-10688747-B2 · Jun 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D28/002?
- CPC B21D28/002 is the Cooperative Patent Classification code for “Drive of the tools (B21D28/007 and B21D28/20 take precedence).”
- How many patents are filed under CPC B21D28/002 (Drive of the tools (B21D28/007 and B21D28/20 take precedence))?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC B21D28/002 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).