- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 41/16 - Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
Patent holdings for IPC class B22D 41/16
Total number of patents in this class: 36
10-year publication summary
|
4
|
1
|
0
|
1
|
1
|
7
|
4
|
4
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vesuvius Group S.A. | 111 |
7 |
| SMS Group GmbH | 1200 |
4 |
| ArcelorMittal | 2680 |
3 |
| Fill Gesellschaft m.b.H. | 149 |
3 |
| Inductotherm Corp. | 154 |
3 |
| Krosakiharima Corporation | 297 |
3 |
| Hitachi Metals, Ltd. | 1896 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 15289 |
2 |
| Apple Inc. | 58885 |
1 |
| BorgWarner Inc. | 2583 |
1 |
| Drägerwerk AG & Co. KGaA | 990 |
1 |
| Schunk Kohlenstofftechnik GmbH | 140 |
1 |
| SMS Siemag Aktiengesellschaft | 486 |
1 |
| MCC Capital Engineering & Research Incorporation Limited | 19 |
1 |
| TBR Casting Technologies GmbH | 1 |
1 |
| Oil-rite, LLC | 15 |
1 |
| Vesuvius Group, S.A. | 3 |
1 |
| Other owners | 0 |