- All sections
- B - Performing operationstransporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
- B21C 37/087 - Making tubes with welded or soldered seams using rods or strips of soldering material
Patent holdings for IPC class B21C 37/087
Total number of patents in this class: 3
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eisenbau Kramer GmbH | 7 |
1 |
| Modine Manufacturing Company | 301 |
1 |
| Nippon Steel Corporation | 6919 |
1 |
| Other owners | 0 |