- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 31/00 - Rolling stand structuresMounting, adjusting, or interchanging rolls, roll mountings, or stand frames
Patent holdings for IPC class B21B 31/00
Total number of patents in this class: 36
10-year publication summary
|
2
|
2
|
0
|
1
|
2
|
2
|
1
|
5
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1207 |
7 |
| SMS Siemag Aktiengesellschaft | 483 |
6 |
| Mazzella New Tech Corporation | 9 |
3 |
| Northwestern University | 3570 |
1 |
| Cisdi Engineering Co., Ltd. | 108 |
1 |
| Contemporary Amperex Technology Co., Limited | 10444 |
1 |
| Corts Engineering GmbH & Co.KG | 3 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 721 |
1 |
| I2s, LLC | 1 |
1 |
| Keystone Tower Systems, Inc. | 47 |
1 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 49 |
1 |
| Northquip Inc. | 142 |
1 |
| The Penn State Research Foundation | 1636 |
1 |
| Primetals Technologies Austria GmbH | 580 |
1 |
| Primetals Technologies USA LLC | 119 |
1 |
| Dalian Field Heavy Machinery Manufacturing Co., Ltd. | 11 |
1 |
| FLSmidth A/S | 785 |
1 |
| China Association of Inventions | 1 |
1 |
| Cisdi Shanghai Engineering Co., Ltd. | 15 |
1 |
| Clecim S.A.S. | 42 |
1 |
| Other owners | 3 |