- All sections
- B - Performing operations; transporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; auxiliary 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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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Eisenbau Kramer GmbH | 11 |
1 |
Modine Manufacturing Company | 296 |
1 |
Nippon Steel Corporation | 5955 |
1 |
Other owners | 0 |