- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 13/14 - Ejecting devices
Patent holdings for IPC class B21J 13/14
Total number of patents in this class: 41
10-year publication summary
|
2
|
3
|
6
|
7
|
0
|
4
|
7
|
2
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Standard Lifters, Inc. | 96 |
4 |
| NSK Ltd. | 2789 |
3 |
| NGK Insulators, Ltd. | 4982 |
2 |
| NTN Corporation | 4965 |
2 |
| Hatebur Umformmaschinen AG | 39 |
2 |
| Matec Co., Ltd. | 3 |
2 |
| Tata Steel Limited | 175 |
2 |
| The University of Electro-Communications | 211 |
2 |
| Akribis Systems Pte Ltd | 31 |
2 |
| Lang XI You Liang Forging Alumunum Alloy Wheel Co., Ltd. | 2 |
2 |
| Honda Motor Co., Ltd. | 25352 |
1 |
| Hitachi Metals, Ltd. | 1976 |
1 |
| Nissan Motor Co., Ltd. | 12519 |
1 |
| Showa Denko K.K. | 2214 |
1 |
| AIDA Engineering, Ltd. | 134 |
1 |
| Asahi Forge Corporation | 2 |
1 |
| Bishop Steering Technology Pty Ltd | 4 |
1 |
| Central South University | 445 |
1 |
| FANUC Corporation | 6735 |
1 |
| Langenstein & Schemann GmbH | 41 |
1 |
| Other owners | 8 |