- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/119 - Refining the metal by filtering
Patent holdings for IPC class B22D 11/119
Total number of patents in this class: 42
10-year publication summary
|
5
|
1
|
6
|
2
|
5
|
3
|
7
|
1
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Norsk Hydro ASA | 260 |
6 |
| Pyrotek, Inc. | 202 |
4 |
| GM Global Technology Operations LLC | 14937 |
2 |
| Almex USA, Inc. | 21 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 959 |
2 |
| Harbisonwalker International, Inc. | 198 |
2 |
| Vesuvius USA Corporation | 93 |
2 |
| ASML Netherlands B.V. | 7355 |
1 |
| Showa Denko K.K. | 2258 |
1 |
| Aleris Aluminum Koblenz GmbH | 32 |
1 |
| Cat International Ltd | 2 |
1 |
| Constellium Issoire | 219 |
1 |
| Drache Umwelttechnik GmbH | 11 |
1 |
| Jiangsu Zhongtian Technology Co., Ltd. | 144 |
1 |
| Joint Stock Company "akme-engineering" | 67 |
1 |
| Kerneos | 32 |
1 |
| KERNEOS société anonyme | 3 |
1 |
| Mitsubishi Materials Corporation | 2437 |
1 |
| Mitsui Mining & Smelting Co., Ltd. | 1477 |
1 |
| Southwire Company, LLC | 783 |
1 |
| Other owners | 9 |