- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 31/07 - Adaptation of roll bearings
Patent holdings for IPC class B21B 31/07
Total number of patents in this class: 122
10-year publication summary
|
6
|
11
|
6
|
8
|
4
|
8
|
8
|
4
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1102 |
33 |
| SMS Siemag Aktiengesellschaft | 507 |
19 |
| Primetals Technologies USA LLC | 116 |
15 |
| Siemens Industry, Inc. | 1441 |
9 |
| Primetals Technologies Austria GmbH | 524 |
5 |
| Matthews International Corporation | 341 |
3 |
| Matthews International GmbH | 49 |
3 |
| NTN Corporation | 4977 |
2 |
| Barnes Group Inc. | 56 |
2 |
| REBS Zentralschmiertechnik GmbH | 11 |
2 |
| SMS Demag AG | 118 |
2 |
| The Timken Company | 376 |
2 |
| Toyota Motor Corporation | 31162 |
1 |
| Honeywell International Inc. | 13596 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 30711 |
1 |
| Aktiebolaget SKF | 2913 |
1 |
| Andritz Kusters GmbH | 56 |
1 |
| The Bradbury Company, Inc. | 43 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
1 |
| Devol Engineering Limited, | 11 |
1 |
| Other owners | 17 |