- 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: 52
10-year publication summary
|
9
|
1
|
6
|
1
|
2
|
1
|
2
|
4
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 53056 |
5 |
| Crucible Intellectual Property, LLC | 91 |
4 |
| Pyrotek, Inc. | 193 |
4 |
| Pyrotek Engineering Materials Limited | 19 |
3 |
| Fujiwa Denki Co., Ltd. | 47 |
2 |
| Retech Systems LLC | 13 |
2 |
| Sintokogio, Ltd. | 1170 |
2 |
| Tounetsu Co., Ltd. | 27 |
2 |
| Toyota Motor Corporation | 30591 |
1 |
| Denso Corporation | 23851 |
1 |
| Hyundai Motor Company | 20616 |
1 |
| Ajax Tocco Magnethermic Corporation | 94 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 904 |
1 |
| China University of Mining and Technology | 1228 |
1 |
| Chugai Ro Co., Ltd. | 123 |
1 |
| Fill Gesellschaft m.b.H. | 128 |
1 |
| Jiangsu Sobute New Materials Co., Ltd. | 11 |
1 |
| Lethiguel | 8 |
1 |
| Micropyretics Heaters International, Inc. | 14 |
1 |
| Nucor Corporation | 422 |
1 |
| Other owners | 16 |