- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/08 - Making machine elements axles or shafts crankshafts
Patent holdings for IPC class B21K 1/08
Total number of patents in this class: 107
10-year publication summary
|
13
|
17
|
9
|
8
|
3
|
0
|
5
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
29 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
29 |
| Honda Motor Co., Ltd. | 26008 |
7 |
| Zhongjuxin Ocean Engineering Equipment Co., Ltd | 12 |
5 |
| Cie Automotive, S.A. | 28 |
4 |
| Scania CV AB | 2407 |
4 |
| GM Global Technology Operations LLC | 16106 |
3 |
| Hegenscheidt-MFD GmbH & Co. KG | 67 |
3 |
| Peugeot Citroen Automobiles SA | 1663 |
3 |
| Komatsu NTC Ltd. | 120 |
2 |
| Mazda Motor Corporation | 3296 |
2 |
| Bharat Forge Ltd. | 49 |
2 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12387 |
2 |
| Perkins Engines Company Limited | 301 |
1 |
| Daido Steel Co., Ltd. | 284 |
1 |
| Dusan Milicevic | 1 |
1 |
| Gomecsys B.V. | 39 |
1 |
| Inductoheat, Inc. | 47 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
1 |
| Maschinenfabrik Alfing Kessler GmbH | 61 |
1 |
| Other owners | 5 |