- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 41/04 - Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like tiltable
Patent holdings for IPC class B22D 41/04
Total number of patents in this class: 49
10-year publication summary
|
7
|
0
|
4
|
2
|
0
|
4
|
4
|
2
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sintokogio, Ltd. | 1169 |
9 |
| Fujiwa Denki Co., Ltd. | 48 |
4 |
| SMS Group GmbH | 1102 |
4 |
| National University Corporation Toyohashi University of Technology | 198 |
3 |
| Nemak, S.A.B. de C.V. | 97 |
3 |
| GM Global Technology Operations LLC | 14778 |
2 |
| Kress Corporation | 9 |
2 |
| Kubota Corporation | 3702 |
2 |
| The Boeing Company | 19953 |
1 |
| Crucible Intellectual Property, LLC | 90 |
1 |
| Hatch Ltd. | 212 |
1 |
| Luvata Espoo Oy | 19 |
1 |
| Magna International Inc. | 1218 |
1 |
| Morikawa Kanagata Co., Ltd. | 3 |
1 |
| Phoenix Services International, LLC | 1 |
1 |
| POSCO | 2188 |
1 |
| Research Institute of Industrial Science & Technology | 473 |
1 |
| Retech Systems LLC | 15 |
1 |
| Rolls-Royce Corporation | 1721 |
1 |
| Ryobi Ltd. | 37 |
1 |
| Other owners | 8 |