Extrusion conformal cooling devices, methods, and systems
US-2025178057-A1 · Jun 5, 2025 · US
of press heads, dies, or mandrels
of press heads, dies, or mandrels · 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 | B21C29/04 |
| Official title | of press heads, dies, or mandrels |
| Display label | of press heads, dies, or mandrels |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 1 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary extrusion forming method for cabin section workpiece
US-11858023-B2 · Jan 2, 2024 · US
Method of manufacturing two tubes simultaneously and machine for use therein
US-11697143-B2 · Jul 11, 2023 · US
Extrusion forming die for cabin component
US-11478832-B2 · Oct 25, 2022 · US
Hydraulic extrusion tool with integrated induction device
US-11141766-B2 · Oct 12, 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
Method of Manufacturing Two Tubes Simultaneously and Machine for Use Therein
US-2021069765-A1 · Mar 11, 2021 · US
Method of manufacturing a tube and a machine for use therein
US-10882092-B2 · Jan 5, 2021 · US
Method of manufacturing a tube and a machine for use therein
US-10864566-B2 · Dec 15, 2020 · US
Method of manufacturing a tube and a machine for use therein
US-10843246-B2 · Nov 24, 2020 · US
Special-purpose die for shaping aluminum-magnesium alloy by rotating extrusion
US-10814370-B2 · Oct 27, 2020 · US
Extrusion die and nozzle cooling system for large scale 3D additive manufacturing
US-10807292-B2 · Oct 20, 2020 · US
Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion
US-10780478-B2 · Sep 22, 2020 · US
Electromagnetic print nozzle for direct-write additive manufacturing
US-10694590-B2 · Jun 23, 2020 · US
Electromagnetic print nozzle for direct-write additive manufacturing with resistive renditions
US-10542589-B2 · Jan 21, 2020 · US
Hydraulic extrusion tool with integrated induction device
US-2019275575-A1 · Sep 12, 2019 · US
Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion
US-2018369888-A1 · Dec 27, 2018 · US
Special-purpose Die for Shaping Aluminum-magnesium Alloy by Rotating Extrusion
US-2018369889-A1 · Dec 27, 2018 · US
Extrusion die and nozzle cooling system for large scale 3d additive manufacturing
US-2018117822-A1 · May 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21C29/04?
- CPC B21C29/04 is the Cooperative Patent Classification code for “of press heads, dies, or mandrels.”
- How many patents are filed under CPC B21C29/04 (of press heads, dies, or mandrels)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B21C29/04 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).