Method for connecting ferritic with austenitic steel pipes
US-12583052-B2 · Mar 24, 2026 · US
Explosive welding · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23K20/08 |
| Official title | Explosive welding |
| Display label | Explosive welding |
| Total patents | 46 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12583052-B2 · Mar 24, 2026 · US
US-12516005-B2 · Jan 6, 2026 · US
US-12485252-B2 · Dec 2, 2025 · US
US-12179458-B2 · Dec 31, 2024 · US
US-2024383064-A1 · Nov 21, 2024 · US
US-2024316684-A1 · Sep 26, 2024 · US
US-2024124165-A1 · Apr 18, 2024 · US
US-11873122-B2 · Jan 16, 2024 · US
US-2023311452-A1 · Oct 5, 2023 · US
US-2023098465-A1 · Mar 30, 2023 · US
US-11534871-B2 · Dec 27, 2022 · US
US-11480069-B2 · Oct 25, 2022 · US
US-11471983-B2 · Oct 18, 2022 · US
US-2022296861-A1 · Sep 22, 2022 · US
US-2022281622-A1 · Sep 8, 2022 · US
US-11142834-B2 · Oct 12, 2021 · US
US-11097372-B2 · Aug 24, 2021 · US
US-2020384578-A1 · Dec 10, 2020 · US
US-2020384705-A1 · Dec 10, 2020 · US
US-10858715-B2 · Dec 8, 2020 · US
Answers are generated from the same data shown on this page.