Piercing machine, and method for producing seamless metal pipe using the same
US-11511326-B2 · Nov 29, 2022 · US
with mandrel, {i.e. the mandrel rod contacts the rolled tube over the rod length}(B21B17/08 takes precedence)
with mandrel, {i.e. the mandrel rod contacts the rolled tube over the rod length}(B21B17/08 takes precedence) · 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 | B21B17/02 |
| Official title | with mandrel, {i.e. the mandrel rod contacts the rolled tube over the rod length}(B21B17/08 takes precedence) |
| Display label | with mandrel, {i.e. the mandrel rod contacts the rolled tube over the rod length}(B21B17/08 takes precedence) |
| Total patents | 29 |
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 | 9 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rolling mill for rolling concave, rod-shaped bodies
US-11154920-B2 · Oct 26, 2021 · US
Piercing machine, and method for producing seamless metal pipe using the same
US-2020276625-A1 · Sep 3, 2020 · US
Rolling mill for rolling hollow or, in all cases, concave rod-shaped bodies
US-2020009625-A1 · Jan 9, 2020 · US
Rolling mill stand with rolls axially constrained with elastic system
US-2019381545-A1 · Dec 19, 2019 · US
Method of manufacturing piston of pump for brake system and pump for brake system including the piston
US-10507501-B2 · Dec 17, 2019 · US
Powder lubricant composition and method for manufacturing seamless steel pipe
US-10227540-B2 · Mar 12, 2019 · US
Mandrel conveying device for a tube rolling mill
US-10052669-B2 · Aug 21, 2018 · US
Manufacturing method of seamless metal pipe, mandrel mill, and auxiliary tool
US-9884355-B2 · Feb 6, 2018 · US
Method for Producing Plug
US-2018023179-A1 · Jan 25, 2018 · US
Method of manufacturing piston of pump for brake system and pump for brake system including the piston
US-2017333963-A1 · Nov 23, 2017 · US
Rolling mill and rolling method
US-9789522-B2 · Oct 17, 2017 · US
Manufacturing method and manufacturing apparatus of seamless metal pipe
US-9597718-B2 · Mar 21, 2017 · US
Punch surface texturing for use in the manufacturing of metallic containers
US-9566630-B2 · Feb 14, 2017 · US
Punch surface texturing for use in the manufacturing of metallic containers
US-2017001231-A1 · Jan 5, 2017 · US
Inner surface regulation tool, plug, mandrel, hot rolling mill, press piercing machine, and drawing machine
US-9486845-B2 · Nov 8, 2016 · US
Method of producing cold-worked centrifugal cast tubular products
US-9375771-B2 · Jun 28, 2016 · US
Plug for hot tube-making
US-9352370-B2 · May 31, 2016 · US
Mandrel mill and method for manufacturing seamless pipe or tube
US-9302302-B2 · Apr 5, 2016 · US
Mandrel conveying device for a tube rolling mill
US-2016059284-A1 · Mar 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21B17/02?
- CPC B21B17/02 is the Cooperative Patent Classification code for “with mandrel, {i.e. the mandrel rod contacts the rolled tube over the rod length}(B21B17/08 takes precedence).”
- How many patents are filed under CPC B21B17/02 (with mandrel, {i.e. the mandrel rod contacts the rolled tube over the rod length}(B21B17/08 takes precedence))?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B21B17/02 growing?
- Publication counts under this code: 1 in 2021 vs 1 in 2022 (latest complete years).