Systems and methods for induction welding
US-12551968-B2 · Feb 17, 2026 · US
Seam welding
Seam welding · 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 | B23K13/02 |
| Official title | Seam welding |
| Display label | Seam welding |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Welding monitoring apparatus and welding monitoring method
US-12459023-B2 · Nov 4, 2025 · US
System and method for metal forming and layering using inductive heating
US-2025303491-A1 · Oct 2, 2025 · US
System and method for metal forming and layering using inductive heating
US-12390878-B2 · Aug 19, 2025 · US
Silicon core wire for depositing polycrystalline silicon and production method therefor
US-12275642-B2 · Apr 15, 2025 · US
Method for producing at least one defined connecting layer between two components of different metals
US-11951559-B2 · Apr 9, 2024 · US
Welding monitoring apparatus and welding monitoring method
US-2024082900-A1 · Mar 14, 2024 · US
System and method for metal forming and layering using inductive heating
US-2023182229-A1 · Jun 15, 2023 · US
Method for producing a frame component for a door frame structure of an aircraft, frame component, and door frame structure
US-11548659-B2 · Jan 10, 2023 · US
Rotating body, turbocharger, and rotating body manufacturing method
US-11530706-B2 · Dec 20, 2022 · US
Silicon Core Wire for Depositing Polycrystalline Silicon and Production Method Therefor
US-2022281751-A1 · Sep 8, 2022 · US
Vehicle seating assembly with aesthetic trim cover assembly
US-11247593-B2 · Feb 15, 2022 · US
High-productivity hybrid induction heating/welding assembly
US-11172549-B2 · Nov 9, 2021 · US
Method for Producing at Least One Defined Connecting Layer Between Two Components of Different Metals
US-2021316389-A1 · Oct 14, 2021 · US
Systems and methods for induction welding
US-2021291292-A1 · Sep 23, 2021 · US
Vehicle seating assembly with aesthetic trim cover assembly
US-2021009017-A1 · Jan 14, 2021 · US
Electric-resistance-welded stainless clad steel pipe or tube
US-10844993-B2 · Nov 24, 2020 · US
High-frequency heating device for mounting led
US-2020365426-A1 · Nov 19, 2020 · US
Bonding apparatus and bonding method thereof
US-10792754-B2 · Oct 6, 2020 · US
Method of producing electric-resistance-welded stainless clad steel pipe or tube
US-10724670-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K13/02?
- CPC B23K13/02 is the Cooperative Patent Classification code for “Seam welding.”
- How many patents are filed under CPC B23K13/02 (Seam welding)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B23K13/02 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).