Aerosol generation device heater element manufacture
US-12478104-B2 · Nov 25, 2025 · US
by means of mandrels
by means of 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 | B21C1/24 |
| Official title | by means of mandrels |
| Display label | by means of mandrels |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drawing machine, drawing method and drawing mandrel
US-12472546-B2 · Nov 18, 2025 · US
Electrically assisted forming process and device for high-strength metal alloy thin-walled pipe
US-12290851-B2 · May 6, 2025 · US
Manufacturing method for hollow rack bar and hollow rack bar manufacturing apparatus
US-11980929-B2 · May 14, 2024 · US
Drawing machine, drawing method and drawing mandrel
US-2023130543-A1 · Apr 27, 2023 · US
Method of manufacturing variable wall thickness steel pipe and variable wall thickness steel pipe
US-11590547-B2 · Feb 28, 2023 · US
Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering device
US-11541450-B2 · Jan 3, 2023 · US
Electrically assisted forming process and device for high-strength metal alloy thin-walled pipe
US-2022347733-A1 · Nov 3, 2022 · US
Lumen stent and preform thereof, and methods for preparing lumen stent and preform thereof
US-11389308-B2 · Jul 19, 2022 · US
Aerosol generation device heater element manufacture
US-2022183367-A1 · Jun 16, 2022 · US
Drawing machine for drawing tubes
US-11097325-B2 · Aug 24, 2021 · US
Tube structure and a method for manufacturing a tube structure
US-11084077-B2 · Aug 10, 2021 · US
Thin, narrow tube and drawing apparatus and drawing method for manufacturing the same
US-11065135-B2 · Jul 20, 2021 · US
Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same
US-11045896-B2 · Jun 29, 2021 · US
A tube structure and a method for manufacturing a tube structure
US-2021146418-A1 · May 20, 2021 · US
Damper housing and a method for manufacturing the damper housing
US-10850584-B2 · Dec 1, 2020 · US
Instrument panel beam, pair of brackets, and instrument panel beam assembly
US-10836440-B2 · Nov 17, 2020 · US
Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering device
US-2020290113-A1 · Sep 17, 2020 · US
Manufacturing method for hollow rack bar and hollow rack bar manufacturing apparatus
US-2020277002-A1 · Sep 3, 2020 · US
Preparing a tube end for rod drawing
US-10639690-B2 · May 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21C1/24?
- CPC B21C1/24 is the Cooperative Patent Classification code for “by means of mandrels.”
- How many patents are filed under CPC B21C1/24 (by means of mandrels)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC B21C1/24 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).