- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 39/02 - Feeding or supporting workBraking or tensioning arrangements
Patent holdings for IPC class B21B 39/02
Total number of patents in this class: 53
10-year publication summary
|
2
|
11
|
6
|
5
|
4
|
1
|
4
|
2
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 784 |
11 |
| Keystone Tower Systems, Inc. | 47 |
7 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4132 |
7 |
| Primetals Technologies Germany GmbH | 226 |
3 |
| SMS Group GmbH | 1208 |
3 |
| Primetals Technologies Austria GmbH | 580 |
2 |
| JTEKT Corporation | 2614 |
1 |
| Northwestern University | 3567 |
1 |
| Contemporary Amperex Technology Co., Limited | 10352 |
1 |
| Formtek, Inc. | 41 |
1 |
| Mani, Inc. | 149 |
1 |
| Nippon Steel Corporation | 6969 |
1 |
| Outokumpu Nirosta GmbH | 18 |
1 |
| POSCO | 2143 |
1 |
| Primetals Technologies USA LLC | 120 |
1 |
| Soudronic AG | 71 |
1 |
| ThyssenKrupp Federn und Stabilisatoren GmbH | 51 |
1 |
| University of Science and Technology Beijing | 316 |
1 |
| Yanshan University | 159 |
1 |
| Bugok Stainless Co., Ltd. | 2 |
1 |
| Other owners | 6 |