Rolling mill for diameter reducing rolling and method for manufacturing strip material
US-12269079-B2 · Apr 8, 2025 · US
Rolling hollow basic material, {e.g. Assel mills}(B21B19/04 takes precedence; separating work from mandrel B21C45/00)
Rolling hollow basic material, {e.g. Assel mills}(B21B19/04 takes precedence; separating work from mandrel B21C45/00) · 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 | B21B19/06 |
| Official title | Rolling hollow basic material, {e.g. Assel mills}(B21B19/04 takes precedence; separating work from mandrel B21C45/00) |
| Display label | Rolling hollow basic material, {e.g. Assel mills}(B21B19/04 takes precedence; separating work from mandrel B21C45/00) |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Skew rolling apparatus, method for manufacturing seamless pipe shell, and method for manufacturing seamless steel pipe
US-12172202-B2 · Dec 24, 2024 · US
Seamless pipe and method for manufacturing same
US-12140265-B2 · Nov 12, 2024 · US
Method for producing seamless metal tube
US-12064798-B2 · Aug 20, 2024 · US
Continuous rolling device and method continuous rolling device and method with interfacial temperature-force controllability for seamless metal cladding pipe
US-11911840-B1 · Feb 27, 2024 · US
Rolling straightening machine and method of manufacturing a pipe or tube or a bar using same
US-11731184-B2 · Aug 22, 2023 · US
Skew rolling apparatus, method for manufacturing seamless pipe shell, and method for manufacturing seamless steel pipe
US-2023182185-A1 · Jun 15, 2023 · US
Seamless pipe and method for manufacturing same
US-2023079996-A1 · Mar 16, 2023 · US
Method for producing seamless metal tube
US-2023054014-A1 · Feb 23, 2023 · US
Rolling mill for diameter reducing rolling and method for manufacturing strip material
US-2022388048-A1 · Dec 8, 2022 · US
Cross-rolling mill with hydraulic roller actuator
US-11511327-B2 · Nov 29, 2022 · US
Cross-rolling mill
US-11400498-B2 · Aug 2, 2022 · US
Rolling straightening machine and method of manufacturing a pipe or tube or a bar using same
US-2022193745-A1 · Jun 23, 2022 · US
Incremental rotary rolling mill and method
US-11077477-B2 · Aug 3, 2021 · US
Cross-rolling mill with hydraulic roller actuator
US-2021229147-A1 · Jul 29, 2021 · US
Method for producing seamless metal tube
US-10894278-B2 · Jan 19, 2021 · US
Incremental Rotary Rolling Mill and Method
US-2020188974-A1 · Jun 18, 2020 · US
Cross-rolling mill
US-2020188973-A1 · Jun 18, 2020 · US
Dual phase stainless steel pipe and manufacturing method thereof
US-10184160-B2 · Jan 22, 2019 · US
Process for hot-rolling metallic hollow bodies and corresponding hot-rolling mill
US-10166583-B2 · Jan 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21B19/06?
- CPC B21B19/06 is the Cooperative Patent Classification code for “Rolling hollow basic material, {e.g. Assel mills}(B21B19/04 takes precedence; separating work from mandrel B21C45/00).”
- How many patents are filed under CPC B21B19/06 (Rolling hollow basic material, {e.g. Assel mills}(B21B19/04 takes precedence; separating work from mandrel B21C45/00))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC B21B19/06 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).