Welding apparatus and method
US-12491573-B2 · Dec 9, 2025 · US
for welding of tubes to tube plates · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23K9/0288 |
| Official title | {for welding of tubes to tube plates} |
| Display label | for welding of tubes to tube plates |
| Total patents | 19 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12491573-B2 · Dec 9, 2025 · US
US-2025214170-A1 · Jul 3, 2025 · US
US-12305940-B2 · May 20, 2025 · US
US-2024091886-A1 · Mar 21, 2024 · US
US-11865646-B2 · Jan 9, 2024 · US
US-11660711-B2 · May 30, 2023 · US
US-2023141369-A1 · May 11, 2023 · US
US-2022266369-A1 · Aug 25, 2022 · US
US-2022226937-A1 · Jul 21, 2022 · US
US-11292073-B2 · Apr 5, 2022 · US
US-2022074684-A1 · Mar 10, 2022 · US
US-2020384584-A1 · Dec 10, 2020 · US
US-2020086415-A1 · Mar 19, 2020 · US
US-10399187-B2 · Sep 3, 2019 · US
US-2019076910-A1 · Mar 14, 2019 · US
US-2018221999-A1 · Aug 9, 2018 · US
US-9630470-B2 · Apr 25, 2017 · US
US-2016193891-A1 · Jul 7, 2016 · US
US-2015354904-A1 · Dec 10, 2015 · US