- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 27/08 - Lubricating, cooling, or heating rolls internally
Patent holdings for IPC class B21B 27/08
Total number of patents in this class: 27
10-year publication summary
|
5
|
3
|
4
|
2
|
0
|
1
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14131 |
2 |
| Siemens VAI Metals Technologies GmbH | 233 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
2 |
| SMS Siemag Aktiengesellschaft | 529 |
2 |
| California Institute of Technology | 3884 |
1 |
| Siemens Plc | 73 |
1 |
| NGK Insulators, Ltd. | 4589 |
1 |
| Danieli Centro Combustion S.p.A. | 12 |
1 |
| JFE Steel Corporation | 6067 |
1 |
| Maschinenfabrik Köppern GmbH & Co. KG | 61 |
1 |
| Matthews International Corporation | 350 |
1 |
| POSCO | 2222 |
1 |
| POSCO Co., Ltd. | 1059 |
1 |
| Primetals Technologies Austria GmbH | 479 |
1 |
| REBS Zentralschmiertechnik GmbH | 13 |
1 |
| SMS Concast AG | 22 |
1 |
| Technische Universitat Wien | 376 |
1 |
| Tokuden Co., Ltd. | 38 |
1 |
| WEBO Werkzeugbau Oberschwaben GmbH | 14 |
1 |
| Yokohama National University | 26 |
1 |
| Other owners | 3 |