- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 35/00 - Drives for metal-rolling mills
Patent holdings for IPC class B21B 35/00
Total number of patents in this class: 44
10-year publication summary
|
4
|
0
|
0
|
3
|
4
|
1
|
3
|
2
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6220 |
6 |
| SMS Group GmbH | 1119 |
4 |
| JP Steel Plantech Co. | 82 |
3 |
| Stolle Machinery Company, LLC | 422 |
3 |
| NTN Corporation | 4981 |
2 |
| Primetals Technologies Austria GmbH | 531 |
2 |
| SMS Siemag Aktiengesellschaft | 505 |
2 |
| Illinois Tool Works Inc. | 11453 |
1 |
| Siemens AG | 24518 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8703 |
1 |
| The Bradbury Company, Inc. | 43 |
1 |
| Butech Bliss | 7 |
1 |
| GE Energy Power Conversion Technology Ltd | 424 |
1 |
| Machine Concepts, Inc. | 8 |
1 |
| Mannstaedt GmbH | 2 |
1 |
| Novelis Inc. | 746 |
1 |
| Primetals Technologies Japan, Ltd. | 162 |
1 |
| Primetals Technologies USA LLC | 116 |
1 |
| SMS Meer GmbH | 66 |
1 |
| Sungwoo Hitech Co., Ltd. | 87 |
1 |
| Other owners | 9 |