Systems and methods for arc and node design and manufacture
US-11192168-B2 · Dec 7, 2021 · US
Dies
Dies · 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 | B21C25/02 |
| Official title | Dies |
| Display label | Dies |
| Total patents | 136 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 21 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 17 |
| 2025 | 23 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of forming thick-walled cylinder by spinning
US-2021299727-A1 · Sep 30, 2021 · US
Method of forming thick-walled cylinder by spinning
US-11110504-B1 · Sep 7, 2021 · US
Tooling for friction stir processing
US-2021252632-A1 · Aug 19, 2021 · US
Hydroforming of porthole extrusion with non-equiangular seams
US-11052445-B2 · Jul 6, 2021 · US
Method for Forming Hollow Profile Non-Circular Extrusions Using Shear Assisted Processing and Extrusion (ShAPE)
US-11045851-B2 · Jun 29, 2021 · US
Method for making profile with micro-hole
US-2021187582-A1 · Jun 24, 2021 · US
Extrusion forming apparatus, method using the same, and product therefrom
US-2021170463-A1 · Jun 10, 2021 · US
Extrusion forming die for cabin component
US-2021121926-A1 · Apr 29, 2021 · US
Rotary extrusion forming method for cabin section workpiece
US-2021121928-A1 · Apr 29, 2021 · US
Metal element for continuously variable transmission and method of producing the same
US-10935102-B2 · Mar 2, 2021 · US
Devices and Methods for Performing Shear-Assisted Extrusion and Extrusion Processes
US-2021053100-A1 · Feb 25, 2021 · US
Extrusion apparatus and method for manufacturing aluminum capillary tube using same
US-2021039149-A1 · Feb 11, 2021 · US
Extruded heat pipe
US-2020391266-A1 · Dec 17, 2020 · US
Extrusion of metal material using a dummy block having a curved surface
US-2020376529-A1 · Dec 3, 2020 · US
Door beam
US-10814368-B2 · Oct 27, 2020 · US
Special-purpose die for shaping aluminum-magnesium alloy by rotating extrusion
US-10814370-B2 · Oct 27, 2020 · US
Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion
US-10780478-B2 · Sep 22, 2020 · US
Intravenous therapy system for blood vessel access via a curved needle and curved catheter
US-2020230364-A1 · Jul 23, 2020 · US
Functionally graded coatings and claddings
US-10695811-B2 · Jun 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21C25/02?
- CPC B21C25/02 is the Cooperative Patent Classification code for “Dies.”
- How many patents are filed under CPC B21C25/02 (Dies)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC B21C25/02 growing?
- Publication counts under this code: 17 in 2024 vs 23 in 2025 (latest complete years).