- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/54 - Making machine elements bolts, studs, or the like with grooves or notches
Patent holdings for IPC class B21K 1/54
Total number of patents in this class: 9
10-year publication summary
|
0
|
0
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kerb-Konus-Vertriebs-GmbH | 44 |
3 |
| TRW Automotive GmbH | 567 |
2 |
| ENGEL AUSTRIA GmbH | 126 |
1 |
| Sungwoo Hitech Co., Ltd. | 87 |
1 |
| Titcomb Brothers Manufacturing, Inc. | 15 |
1 |
| GMV AS | 6 |
1 |
| Other owners | 0 |