Die apparatus for manufacturing secondary battery and link-type knockout unit for die apparatus
US-2026081203-A1 · Mar 19, 2026 · US
in punching machines or punching tools
in punching machines or punching tools · 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 | B21D45/003 |
| Official title | {in punching machines or punching tools} |
| Display label | in punching machines or punching tools |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Component forming machine with jammed component mitigation
US-2026054304-A1 · Feb 26, 2026 · US
Production method for integrated circuits
US-12459027-B2 · Nov 4, 2025 · US
Electrode plate notching apparatus and electrode plate notching method using the same
US-2025205918-A1 · Jun 26, 2025 · US
Notching apparatus for electrode substrate of rechargeable battery
US-2024001580-A1 · Jan 4, 2024 · US
Device and method for removing a workpiece part from the rest of the workpiece
US-11491532-B2 · Nov 8, 2022 · US
Blanking punch
US-11192166-B2 · Dec 7, 2021 · US
Processing device and processing method
US-10981211-B2 · Apr 20, 2021 · US
Method of manufacturing tooth-shaped component, and tooth-shaped component
US-10857582-B2 · Dec 8, 2020 · US
Stamping method and stamping apparatus
US-2020290106-A1 · Sep 17, 2020 · US
Machine tools and methods for ejecting workpiece parts
US-10625330-B2 · Apr 21, 2020 · US
Blanking die and method of blanking sheet metal therewith
US-10596617-B2 · Mar 24, 2020 · US
Device and method for removing a workpiece part from the rest of the workpiece
US-2020016647-A1 · Jan 16, 2020 · US
Workpiece Discharging Devices and Related Systems and Methods
US-2020001346-A1 · Jan 2, 2020 · US
Device and method for mutual separation of two workpiece components of a plate-like workpiece
US-10512965-B2 · Dec 24, 2019 · US
Blanking Punch
US-2019381554-A1 · Dec 19, 2019 · US
Workpiece discharging devices and related systems and methods
US-10449593-B2 · Oct 22, 2019 · US
Method for removing a workpiece part and machine tool
US-10449592-B2 · Oct 22, 2019 · US
Low profile pilot assembly and method for metal forming dies
US-10406585-B2 · Sep 10, 2019 · US
Stock ejector assembly
US-10384259-B2 · Aug 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D45/003?
- CPC B21D45/003 is the Cooperative Patent Classification code for “in punching machines or punching tools.”
- How many patents are filed under CPC B21D45/003 (in punching machines or punching tools)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B21D45/003 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).