Method of preparing a pipe-section
US-12498057-B2 · Dec 16, 2025 · US
for tubes
for tubes · 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 | B23K13/025 |
| Official title | {for tubes} |
| Display label | for tubes |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 9 |
| 2019 | 3 |
| 2020 | 15 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric resistance welded pipe or tube and method of producing same
US-2025178116-A1 · Jun 5, 2025 · US
Parallel Robotics System and Method of Induction Kinetic Hybrid Welding Processes
US-2024207983-A1 · Jun 27, 2024 · US
Welding operation monitoring system and welding operation monitoring method
US-11780026-B2 · Oct 10, 2023 · US
Refrigerator and method for manufacturing the same
US-2023288131-A1 · Sep 14, 2023 · US
Method for manufacturing clad steel pipe
US-11707773-B2 · Jul 25, 2023 · US
Air conditioner
US-11608539-B2 · Mar 21, 2023 · US
Air conditioner
US-11421292-B2 · Aug 23, 2022 · US
Air conditioner
US-11413713-B2 · Aug 16, 2022 · US
Method of testing ERW pipe weld seam for susceptibility to hydrogen embrittlement
US-11235427-B2 · Feb 1, 2022 · US
Induction heating system connection box
US-11197350-B2 · Dec 7, 2021 · US
Method of testing erw pipe weld seam for susceptibility to hydrogen embrittlement
US-2021229221-A1 · Jul 29, 2021 · US
Absorption chiller
US-2021148612-A1 · May 20, 2021 · US
Method of preparing a pipe-section
US-2021071783-A1 · Mar 11, 2021 · US
Electric resistance welded steel pipe manufacturing device and electric resistance welded steel pipe manufacturing method
US-2020391318-A1 · Dec 17, 2020 · US
Electric-resistance-welded stainless clad steel pipe or tube
US-10844993-B2 · Nov 24, 2020 · US
Method of manufacturing a welded tube
US-10786869-B2 · Sep 29, 2020 · US
Method of monitoring manufacturing status of electric resistance welded pipe, device for monitoring manufacturing status of electric resistance welded pipe, and method of manufacturing electric resistance welded pipe
US-10744589-B2 · Aug 18, 2020 · US
Welding operation monitoring system and welding operation monitoring method
US-2020246906-A1 · Aug 6, 2020 · US
Apparatus and method for welding a waterwall panel
US-10731849-B2 · Aug 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K13/025?
- CPC B23K13/025 is the Cooperative Patent Classification code for “for tubes.”
- How many patents are filed under CPC B23K13/025 (for tubes)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC B23K13/025 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).