- All sections
- B - Performing operations; transporting
- B21L - Making metal chains
- B21L 1/02 - Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape by bending the ends of the workpieces to abut
Patent holdings for IPC class B21L 1/02
Total number of patents in this class: 1
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
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---|---|---|
Sisma S.p.A. | 53 |
1 |
Other owners | 0 |