- All sections
- B - Performing operationstransporting
- B22C - Foundry moulding
- B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
Patent holdings for IPC class B22C 1/02
Total number of patents in this class: 197
10-year publication summary
|
8
|
10
|
15
|
16
|
17
|
16
|
13
|
7
|
18
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hüttenes-Albertus Chemische Werke GmbH | 145 |
21 |
| Sintokogio, Ltd. | 1163 |
14 |
| ASK Chemicals GmbH | 157 |
11 |
| ASK Chemicals LLC | 104 |
11 |
| Asahi Yukizai Corporation | 137 |
8 |
| Foseco International Limited | 212 |
8 |
| Imerys USA, Inc. | 144 |
7 |
| Takemoto Yushi Kabushiki Kaisha | 172 |
6 |
| Kao Corporation | 4984 |
5 |
| General Electric Company | 13858 |
4 |
| NOK Corporation | 2236 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12753 |
4 |
| Toyota Motor Corporation | 32956 |
3 |
| York Innovators Group, LLC | 3 |
3 |
| IGC Technologies, LLC | 3 |
3 |
| SAFRAN S.A. | 630 |
2 |
| Hitachi Chemical Company, Ltd. | 2337 |
2 |
| Ask Chemicals Espana, S.A. | 3 |
2 |
| CARBO Ceramics Inc. | 236 |
2 |
| Ecole Centrale de Nantes | 39 |
2 |
| Other owners | 75 |