Workpiece processing apparatus
US-12515251-B2 · Jan 6, 2026 · US
Mechanically spring-loaded blank holders
Mechanically spring-loaded blank holders · 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 | B21D24/06 |
| Official title | Mechanically spring-loaded blank holders |
| Display label | Mechanically spring-loaded blank holders |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
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
Formed article, structural member using the same, and manufacturing method of formed article
US-2024391532-A1 · Nov 28, 2024 · US
Formed article, structural member using the same, and manufacturing method of formed article
US-12084115-B2 · Sep 10, 2024 · US
Manufacturing apparatus and manufacturing method for hat-shaped section component with curved projection portion
US-11850646-B2 · Dec 26, 2023 · US
Workpiece processing apparatus
US-2023381852-A1 · Nov 30, 2023 · US
Workpiece processing apparatus
US-2023381849-A1 · Nov 30, 2023 · US
Press mold for vehicle body part
US-11679433-B2 · Jun 20, 2023 · US
Formed article, structural member using the same, and manufacturing method of formed article
US-2023101313-A1 · Mar 30, 2023 · US
Press-formed article manufacturing method and press line
US-11478836-B2 · Oct 25, 2022 · US
Press mold for vehicle body part
US-2022203426-A1 · Jun 30, 2022 · US
Method for producing press-formed product
US-11358203-B2 · Jun 14, 2022 · US
Sliding frictional force generation mechanism by fitting and die cushion for press machine
US-10974303-B2 · Apr 13, 2021 · US
Manufacturing apparatus and manufacturing method for hat-shaped section component with curved projection portion
US-2021078064-A1 · Mar 18, 2021 · US
Method of manufacturing molded material, and said molded material
US-10786843-B2 · Sep 29, 2020 · US
Press-formed article manufacturing method and press line
US-2020101514-A1 · Apr 2, 2020 · US
Producing method, producing apparatus and producing equipment line of press formed product
US-10596613-B2 · Mar 24, 2020 · US
Pressed component manufacturing method, press, and press line
US-10471493-B2 · Nov 12, 2019 · US
Method of manufacturing molded material, and said molded material
US-2019337038-A1 · Nov 7, 2019 · US
Pressed component manufacturing method, press, and press line
US-2019176204-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D24/06?
- CPC B21D24/06 is the Cooperative Patent Classification code for “Mechanically spring-loaded blank holders.”
- How many patents are filed under CPC B21D24/06 (Mechanically spring-loaded blank holders)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC B21D24/06 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).