- All sections
- B - Performing operations; transporting
- B22D - Casting of metals; casting of other substances by the same processes or devices
- B22D 41/58 - Pouring-nozzles with gas injecting means
Patent holdings for IPC class B22D 41/58
Total number of patents in this class: 49
10-year publication summary
|
1
|
1
|
0
|
3
|
2
|
4
|
9
|
4
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 1887 |
11 |
| Krosakiharima Corporation | 259 |
10 |
| Refractory Intellectual Property GmbH & Co. KG | 502 |
4 |
| Hitachi Metals, Ltd. | 2175 |
3 |
| JFE Steel Corporation | 6067 |
3 |
| TDK Corporation | 6306 |
2 |
| ABB Schweiz AG | 6321 |
2 |
| ArcelorMittal Investigacion y Desarrollo SL | 209 |
2 |
| Vesuvius Crucible Company | 51 |
2 |
| ABB AB | 202 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
1 |
| Calderys France | 33 |
1 |
| Constellium Issoire | 208 |
1 |
| Northeastern University | 493 |
1 |
| RHI AG | 1 |
1 |
| Soochow University | 1605 |
1 |
| Capital Refractories Limited | 1 |
1 |
| Linde GmbH | 1122 |
1 |
| Laiwu Steel Yinshan Section Co., Ltd. | 12 |
1 |
| Other owners | 0 |