- 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: 106
10-year publication summary
|
14
|
13
|
17
|
9
|
8
|
3
|
0
|
5
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6220 |
29 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
29 |
| Honda Motor Co., Ltd. | 25192 |
7 |
| Zhongjuxin Ocean Engineering Equipment Co., Ltd | 12 |
5 |
| Cie Automotive, S.A. | 28 |
4 |
| Scania CV AB | 2388 |
4 |
| GM Global Technology Operations LLC | 15000 |
3 |
| Hegenscheidt-MFD GmbH & Co. KG | 68 |
3 |
| Peugeot Citroen Automobiles SA | 1779 |
3 |
| Komatsu NTC Ltd. | 117 |
2 |
| Mazda Motor Corporation | 3128 |
2 |
| Bharat Forge Ltd. | 35 |
2 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12813 |
2 |
| Perkins Engines Company Limited | 293 |
1 |
| Daido Steel Co., Ltd. | 269 |
1 |
| Dusan Milicevic | 1 |
1 |
| Gomecsys B.V. | 37 |
1 |
| Inductoheat, Inc. | 49 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2873 |
1 |
| Maschinenfabrik Alfing Kessler GmbH | 53 |
1 |
| Other owners | 4 |