- All sections
- B - Performing operationstransporting
- B22C - Foundry moulding
- B22C 9/20 - Stack moulds, i.e. arrangement of multiple moulds or flasks
Patent holdings for IPC class B22C 9/20
Total number of patents in this class: 31
10-year publication summary
|
1
|
5
|
1
|
2
|
2
|
2
|
5
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sintokogio, Ltd. | 1171 |
4 |
| Disa Industries A/S | 39 |
4 |
| Point Engineering Co., Ltd. | 257 |
2 |
| Safran Aircraft Engines | 6084 |
2 |
| Rtx Corporation | 9146 |
2 |
| SNECMA S.A. | 1149 |
1 |
| Toyota Motor Corporation | 30525 |
1 |
| Deere & Company | 7382 |
1 |
| Panasonic Corporation | 20295 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4827 |
1 |
| Consolidated Nuclear Security, LLC | 126 |
1 |
| Fujiwa Denki Co., Ltd. | 47 |
1 |
| Hüttenes-Albertus Chemische Werke GmbH | 158 |
1 |
| L.E. Jones Company, LLC | 16 |
1 |
| Loramendi, S. Coop | 35 |
1 |
| Materion Corporation | 305 |
1 |
| Societe Muller & Cie | 18 |
1 |
| The Swatch Group Research and Development Ltd | 814 |
1 |
| Waupaca Foundry, Inc. | 6 |
1 |
| S&B Industrial Minerals North America, Inc. | 7 |
1 |
| Other owners | 2 |