- All sections
- B - Performing operationstransporting
- B21L - Making metal chains
- B21L 9/04 - Punching or bending the different parts of the chain links
Patent holdings for IPC class B21L 9/04
Total number of patents in this class: 13
10-year publication summary
|
0
|
1
|
2
|
0
|
4
|
0
|
4
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| iwis motorsysteme GmbH & Co. KG | 121 |
3 |
| Fmh Conveyors LLC | 21 |
2 |
| Kaga Industries Co., Ltd. | 4 |
2 |
| Rexnord FlatTop Europe B.V. | 84 |
2 |
| Marco Bicego S.p.A. | 17 |
2 |
| Schaeffler Technologies AG & Co. KG | 9897 |
1 |
| Tsubakimoto Chain Co. | 619 |
1 |
| Other owners | 0 |