- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 1/20 - Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
Patent holdings for IPC class B22C 1/20
Total number of patents in this class: 56
10-year publication summary
|
1
|
4
|
7
|
6
|
9
|
6
|
5
|
1
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hüttenes-Albertus Chemische Werke GmbH | 150 |
14 |
| Novis Works, LLC | 12 |
4 |
| Gun Ei Chemical Industry Co., Ltd. | 41 |
3 |
| SAFRAN S.A. | 518 |
2 |
| Arkema France | 3790 |
2 |
| Beijing Rechsand Science & Technology Group Co., Ltd. | 38 |
2 |
| Sintokogio, Ltd. | 1148 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
2 |
| Reinsicht GmbH | 2 |
2 |
| Covia Solutions Inc. | 58 |
2 |
| General Electric Company | 18133 |
1 |
| SNECMA S.A. | 1160 |
1 |
| Hitachi Chemical Company, Ltd. | 2455 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
1 |
| Asahi Yukizai Corporation | 121 |
1 |
| ASK Chemicals GmbH | 122 |
1 |
| Clariant (France) | 1 |
1 |
| Degussa AG | 68 |
1 |
| Delta of Sweden AB | 18 |
1 |
| Other owners | 11 |