- 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: 124
10-year publication summary
|
6
|
11
|
6
|
8
|
4
|
8
|
8
|
4
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1124 |
33 |
| SMS Siemag Aktiengesellschaft | 505 |
19 |
| Primetals Technologies USA LLC | 116 |
17 |
| Siemens Industry, Inc. | 1447 |
9 |
| Primetals Technologies Austria GmbH | 532 |
5 |
| Matthews International Corporation | 333 |
3 |
| Matthews International GmbH | 51 |
3 |
| NTN Corporation | 4978 |
2 |
| Barnes Group Inc. | 57 |
2 |
| REBS Zentralschmiertechnik GmbH | 10 |
2 |
| SMS Demag AG | 106 |
2 |
| The Timken Company | 370 |
2 |
| Toyota Motor Corporation | 31985 |
1 |
| Honeywell International Inc. | 13539 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
1 |
| Aktiebolaget SKF | 2939 |
1 |
| Andritz Kusters GmbH | 56 |
1 |
| The Bradbury Company, Inc. | 43 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
1 |
| Devol Engineering Limited, | 11 |
1 |
| Other owners | 17 |