- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/32 - Making machine elements wheelsMaking machine elements discs discs, e.g. disc wheels
Patent holdings for IPC class B21K 1/32
Total number of patents in this class: 48
10-year publication summary
|
5
|
3
|
2
|
5
|
7
|
0
|
0
|
2
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1973 |
6 |
| Saint Augustin Canada Electric Inc. | 70 |
6 |
| Washi Kosan Co., Ltd. | 8 |
3 |
| General Electric Company | 13859 |
2 |
| Toyota Motor Corporation | 32869 |
2 |
| Accuride Corporation | 44 |
2 |
| Aubert & Duval | 112 |
2 |
| Hitachi Metals MMC Superalloy, Ltd. | 11 |
2 |
| Safran Aircraft Engines | 6306 |
2 |
| Topy Kogyo Kabushiki Kaisha | 112 |
2 |
| Washi Beam Co., Ltd. | 5 |
2 |
| Nippon Institute of Technology | 4 |
2 |
| SAFRAN S.A. | 626 |
1 |
| Hyundai Motor Company | 22315 |
1 |
| Bharat Forge Ltd. | 45 |
1 |
| GM Global Technology Operations, Inc. | 521 |
1 |
| Guizhou Anda Aviation Forging Co., Ltd | 5 |
1 |
| Mubea CARBO Tech GmbH | 70 |
1 |
| National Institute for Materials Science | 1105 |
1 |
| Tata Steel Limited | 175 |
1 |
| Other owners | 7 |