- 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: 50
10-year publication summary
|
0
|
4
|
2
|
0
|
3
|
4
|
2
|
1
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sintokogio, Ltd. | 1179 |
9 |
| Fujiwa Denki Co., Ltd. | 48 |
4 |
| SMS Group GmbH | 1159 |
4 |
| Kress Corporation | 9 |
3 |
| National University Corporation Toyohashi University of Technology | 198 |
3 |
| Nemak, S.A.B. de C.V. | 105 |
3 |
| GM Global Technology Operations LLC | 15700 |
2 |
| Kubota Corporation | 4189 |
2 |
| The Boeing Company | 20113 |
1 |
| Crucible Intellectual Property, LLC | 87 |
1 |
| Hatch Ltd. | 218 |
1 |
| Luvata Espoo Oy | 19 |
1 |
| Magna International Inc. | 1203 |
1 |
| Morikawa Kanagata Co., Ltd. | 3 |
1 |
| Phoenix Services International, LLC | 1 |
1 |
| POSCO | 2155 |
1 |
| Research Institute of Industrial Science & Technology | 518 |
1 |
| Retech Systems LLC | 15 |
1 |
| Rolls-Royce Corporation | 1690 |
1 |
| Ryobi Ltd. | 33 |
1 |
| Other owners | 8 |