- All sections
- B - Performing operationstransporting
- B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls
- B21H 8/00 - Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects
Patent holdings for IPC class B21H 8/00
Total number of patents in this class: 84
10-year publication summary
|
17
|
13
|
6
|
6
|
4
|
12
|
6
|
5
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hacanoka GmbH | 14 |
6 |
| ThyssenKrupp Steel Europe AG | 954 |
5 |
| Novelis Inc. | 744 |
3 |
| Outokumpu Oyj | 261 |
3 |
| Vahterus Oy | 71 |
3 |
| Hydro Extruded Solutions AS | 46 |
3 |
| Aperam | 118 |
2 |
| Constantia Teich GmbH | 57 |
2 |
| Constellium Issoire | 219 |
2 |
| ECLISSE srl | 26 |
2 |
| ESG Edelmetall-Service GmbH & Co. KG | 14 |
2 |
| Hadley Industries Overseas Holdings Limited | 40 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| SMS Group GmbH | 1118 |
2 |
| Taiyuan University of Science and Technology | 42 |
2 |
| Tata Steel Nederland Technology BV | 151 |
2 |
| ThyssenKrupp Rasselstein GmbH | 72 |
2 |
| Yamauchi Matex Corporation | 4 |
2 |
| Siemens AG | 24520 |
1 |
| LG Electronics Inc. | 72807 |
1 |
| Other owners | 35 |