- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 1/02 - Compositions of refractory mould or core materials; Grain structures thereof; Chemical 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: 174
10-year publication summary
|
25
|
9
|
11
|
15
|
17
|
17
|
17
|
15
|
8
|
4
|
| 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 |
16 |
| Sintokogio, Ltd. | 1148 |
13 |
| ASK Chemicals LLC | 110 |
10 |
| ASK Chemicals GmbH | 122 |
9 |
| Asahi Yukizai Corporation | 121 |
8 |
| Foseco International Limited | 204 |
7 |
| Imerys USA, Inc. | 135 |
5 |
| Takemoto Yushi Kabushiki Kaisha | 166 |
5 |
| General Electric Company | 18133 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
4 |
| NOK Corporation | 2108 |
3 |
| York Innovators Group, LLC | 3 |
3 |
| IGC Technologies, LLC | 3 |
3 |
| SAFRAN S.A. | 518 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| Hitachi Chemical Company, Ltd. | 2455 |
2 |
| Kao Corporation | 4843 |
2 |
| Ask Chemicals Espana, S.A. | 3 |
2 |
| Buntrock Industries, Inc. | 6 |
2 |
| CARBO Ceramics Inc. | 248 |
2 |
| Other owners | 70 |