- All sections
- B - Performing operationstransporting
- B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls
- B21H 9/00 - Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
Patent holdings for IPC class B21H 9/00
Total number of patents in this class: 9
10-year publication summary
|
1
|
0
|
2
|
1
|
1
|
1
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1119 |
4 |
| Nippon Steel Corporation | 6220 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
1 |
| Schuler Pressen GmbH | 140 |
1 |
| Manyo Co., Ltd. | 5 |
1 |
| Jiseong Aluminium Co.,Ltd. | 4 |
1 |
| Other owners | 0 |