- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 41/01 - Heating means
Patent holdings for IPC class B22D 41/01
Total number of patents in this class: 67
10-year publication summary
|
1
|
6
|
1
|
2
|
1
|
2
|
5
|
2
|
9
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 204 |
6 |
| Apple Inc. | 59414 |
5 |
| Crucible Intellectual Property, LLC | 82 |
4 |
| Pyrotek Engineering Materials Limited | 18 |
3 |
| China Aluminum International Engineering Corporation Limited | 80 |
2 |
| Fujiwa Denki Co., Ltd. | 48 |
2 |
| Lethiguel | 8 |
2 |
| Retech Systems LLC | 15 |
2 |
| Sintokogio, Ltd. | 1211 |
2 |
| Specialty Minerals (Michigan) Inc. | 234 |
2 |
| Stas Inc. | 24 |
2 |
| Tounetsu Co., Ltd. | 31 |
2 |
| Toyota Motor Corporation | 36389 |
1 |
| Denso Corporation | 25820 |
1 |
| Samsung SDI Co., Ltd. | 10988 |
1 |
| Hyundai Motor Company | 25119 |
1 |
| Ajax Tocco Magnethermic Corporation | 93 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 1136 |
1 |
| China University of Mining and Technology | 1318 |
1 |
| Chugai Ro Co., Ltd. | 133 |
1 |
| Other owners | 25 |