- All sections
- B - Performing operations; transporting
- B21J - Forging; hammering; pressing metal; riveting; forge furnaces
- B21J 3/00 - Lubricating during forging or pressing
Patent holdings for IPC class B21J 3/00
Total number of patents in this class: 82
10-year publication summary
|
5
|
3
|
5
|
7
|
5
|
7
|
3
|
4
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 2175 |
9 |
| Nihon Parkerizing Co., Ltd. | 274 |
6 |
| ATI Properties, Inc. | 109 |
5 |
| Biosynthetic Technologies, LLC | 92 |
5 |
| Proterial, Ltd. | 638 |
4 |
| SMS Group GmbH | 1029 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Mazda Motor Corporation | 3087 |
2 |
| ATI Properties LLC | 202 |
2 |
| Macoho Co. Ltd. | 13 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| The Boeing Company | 19843 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Denso Corporation | 23338 |
1 |
| Shimano Inc. | 3099 |
1 |
| NTN Corporation | 5008 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| Masco Corporation | 68 |
1 |
| Henkel AG & Co. KGaA | 10129 |
1 |
| Other owners | 32 |