- All sections
- B - Performing operations; transporting
- B21J - Forging; hammering; pressing metal; riveting; forge furnaces
- B21J 5/10 - Piercing billets
Patent holdings for IPC class B21J 5/10
Total number of patents in this class: 51
10-year publication summary
|
4
|
2
|
7
|
8
|
7
|
2
|
4
|
2
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2719 |
5 |
| NTN Corporation | 5008 |
4 |
| NHK Spring Co., Ltd. | 1657 |
4 |
| Aubert & Duval | 106 |
2 |
| Korea Precision Manufacturing Co.,Ltd. | 3 |
2 |
| Sungjin Fo-ma Inc. | 9 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| The Boeing Company | 19843 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| NGK Spark Plug Co., Ltd. | 935 |
1 |
| Agency for Science, Technology and Research | 3512 |
1 |
| ArvinMeritor Technology, LLC | 404 |
1 |
| Asahi Forge Corporation | 2 |
1 |
| Bharat Forge Ltd. | 35 |
1 |
| Chep Technology Pty Limited | 226 |
1 |
| Engineered Inserts & Systems Inc. | 19 |
1 |
| Ford-Werke GmbH | 73 |
1 |
| Kabushiki Kaisha Riken | 265 |
1 |
| Leifeld Metal Spinning GmbH | 9 |
1 |
| Other owners | 18 |