- All sections
- B - Performing operationstransporting
- B22C - Foundry moulding
- B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
Patent holdings for IPC class B22C 9/12
Total number of patents in this class: 227
10-year publication summary
|
25
|
22
|
32
|
26
|
21
|
19
|
17
|
13
|
16
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASK Chemicals GmbH | 156 |
15 |
| Rtx Corporation | 9360 |
15 |
| Asahi Yukizai Corporation | 132 |
12 |
| Hüttenes-Albertus Chemische Werke GmbH | 157 |
12 |
| Safran Aircraft Engines | 6275 |
11 |
| Lignyte Co., Ltd. | 14 |
8 |
| General Electric Company | 13767 |
7 |
| SAFRAN S.A. | 615 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
4 |
| Foseco International Limited | 213 |
4 |
| Loramendi, S. Coop | 35 |
4 |
| Nanjing University of Aeronautics and Astronautics | 427 |
4 |
| Sintokogio, Ltd. | 1166 |
4 |
| Nissan Motor Co., Ltd. | 12473 |
3 |
| Fritz Winter Eisengiesserei GmbH & Co. KG | 45 |
3 |
| GE Infrastructure Technology, LLC | 6213 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12806 |
3 |
| Toyota Motor Corporation | 31985 |
2 |
| Hitachi Metals, Ltd. | 1982 |
2 |
| Asahi Organic Chemicals Industry Co., Ltd. | 81 |
2 |
| Other owners | 105 |