- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 19/16 - Casting in, on, or around, objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
Patent holdings for IPC class B22D 19/16
Total number of patents in this class: 234
10-year publication summary
|
25
|
20
|
20
|
10
|
11
|
11
|
5
|
8
|
8
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1896 |
13 |
| Rtx Corporation | 10128 |
11 |
| Apple Inc. | 58885 |
5 |
| Hyundai Motor Company | 24703 |
5 |
| Fisher Controls International LLC | 1455 |
5 |
| Baker Hughes Incorporated | 4927 |
4 |
| United Technologies Corporation | 2220 |
4 |
| GM Global Technology Operations LLC | 16155 |
4 |
| NSK Ltd. | 2832 |
4 |
| Kia Motors Corporation | 7718 |
4 |
| Camito AB | 4 |
4 |
| Fujico Co., Ltd. | 17 |
4 |
| Magna International Inc. | 1176 |
4 |
| GE Infrastructure Technology, LLC | 6165 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 15289 |
3 |
| Daido Metal Company Ltd. | 246 |
3 |
| Point Engineering Co., Ltd. | 285 |
3 |
| Safran Aircraft Engines | 6704 |
3 |
| Guangzhou Zhongshan New Energy Technology Co., Ltd. | 6 |
3 |
| Trio Metal (GZ) Co., Ltd | 14 |
3 |
| Other owners | 141 |