Device and method for continuously producing an at least partly hollow shaft having a varying inner and/or outer diameter
US-12502705-B2 · Dec 23, 2025 · US
Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00)
Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00) · 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 | B21D31/06 |
| Official title | Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00) |
| Display label | Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00) |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for repairing a dent present on a wall, and repair device for the implementation thereof
US-2025296133-A1 · Sep 25, 2025 · US
Fatigue crack growth suppressing method for bent portion of metal sheet, and automotive part
US-2025041924-A1 · Feb 6, 2025 · US
Method for manufacturing fin
US-2025012517-A1 · Jan 9, 2025 · US
Device and method for continuously producing an at least partly hollow shaft having a varying inner and/or outer diameter
US-2024181515-A1 · Jun 6, 2024 · US
Peening apparatus and method of peening using the same
US-11958095-B2 · Apr 16, 2024 · US
Method and apparatus for impacting metal parts
US-11717873-B2 · Aug 8, 2023 · US
Surface treatment method
US-2023226642-A1 · Jul 20, 2023 · US
Processing method and processing apparatus for workpiece
US-2023148212-A1 · May 11, 2023 · US
Peening apparatus and method of peening using the same
US-2023070535-A1 · Mar 9, 2023 · US
Preparing method of engine valve
US-11597981-B2 · Mar 7, 2023 · US
Shot processing system and shot processing method
US-2022410348-A1 · Dec 29, 2022 · US
Apparatus and method for peening of machine components
US-11524387-B2 · Dec 13, 2022 · US
Dual sided shot peening of BLISK airfoils
US-11298799-B2 · Apr 12, 2022 · US
Method and apparatus for providing a measuring tape with increased cupping
US-11293738-B2 · Apr 5, 2022 · US
Apparatus, system, and method for forming metal parts
US-11273481-B2 · Mar 15, 2022 · US
Method and Apparatus for Providing a Measuring Tape with Increased Cupping
US-2022042778-A1 · Feb 10, 2022 · US
Apparatus and method for in-situ laser peening during additive manufacturing
US-11224944-B1 · Jan 18, 2022 · US
Preparing method of engine valve
US-2021172034-A1 · Jun 10, 2021 · US
Methods and systems for fast imprinting of nanometer scale features in a workpiece
US-10737434-B2 · Aug 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D31/06?
- CPC B21D31/06 is the Cooperative Patent Classification code for “Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00).”
- How many patents are filed under CPC B21D31/06 (Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00))?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC B21D31/06 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).