End forming tool for forming a protrusion on a tube
US-2025312836-A1 · Oct 9, 2025 · US
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by pressing tubes axially
by pressing tubes axially · 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 | B21D17/025 |
| Official title | {by pressing tubes axially} |
| Display label | by pressing tubes axially |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pipe, spool forming die, and pipe manufacturing method
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Method for forming spool in pipe and manufacturing apparatus for forming spool in pipe
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Check valve unit and air-conditioning apparatus, and method for manufacturing check valve unit
US-11879556-B2 · Jan 23, 2024 · US
Check valve unit and air-conditioning apparatus, and method for manufacturing check valve unit
US-2023160481-A1 · May 25, 2023 · US
Method for forming spool in pipe and manufacturing apparatus for forming spool in pipe
US-2023099771-A1 · Mar 30, 2023 · US
Pipe, spool forming die, and pipe manufacturing method
US-2022003341-A1 · Jan 6, 2022 · US
Joining method for members and joint body
US-11084083-B2 · Aug 10, 2021 · US
Method for forming vehicle body member
US-10987714-B2 · Apr 27, 2021 · US
Method for forming vehicle body member
US-2020376531-A1 · Dec 3, 2020 · US
Adjustment mechanism for an occupant support
US-10556522-B2 · Feb 11, 2020 · US
Header for a heat exchanger, and method of making the same
US-10551134-B2 · Feb 4, 2020 · US
Joining method for members and joint body
US-2019374994-A1 · Dec 12, 2019 · US
Conductor assembly with a crimped tubular ferrule and method of manufacturing same
US-10355379-B1 · Jul 16, 2019 · US
Adjustment mechanism for an occupant support
US-2018297493-A1 · Oct 18, 2018 · US
Press fitting and use thereof
US-10001230-B2 · Jun 19, 2018 · US
Header for a Heat Exchanger, and Method of Making the Same
US-2018066901-A1 · Mar 8, 2018 · US
Pipe joint, air conditioner, method for producing connecting pipe, connecting pipe, and connection method
US-9797532-B2 · Oct 24, 2017 · US
Method of forming an internal tube beadlock
US-9091376-B2 · Jul 28, 2015 · US
Pipe joint, air conditioner, method for producing connecting pipe, connecting pipe, and connection method
US-2015008669-A1 · Jan 8, 2015 · US