- 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: 234
10-year publication summary
|
22
|
32
|
26
|
21
|
19
|
17
|
13
|
16
|
8
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10082 |
16 |
| ASK Chemicals GmbH | 154 |
14 |
| Asahi Yukizai Corporation | 155 |
12 |
| Hüttenes-Albertus Chemische Werke GmbH | 149 |
12 |
| Safran Aircraft Engines | 6671 |
12 |
| General Electric Company | 13888 |
7 |
| Lignyte Co., Ltd. | 13 |
7 |
| SAFRAN S.A. | 785 |
5 |
| Nanjing University of Aeronautics and Astronautics | 498 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
4 |
| Foseco International Limited | 215 |
4 |
| Loramendi, S. Coop | 37 |
4 |
| Nissan Motor Co., Ltd. | 12947 |
3 |
| Fritz Winter Eisengiesserei GmbH & Co. KG | 44 |
3 |
| Mueller International, LLC | 744 |
3 |
| Sintokogio, Ltd. | 1206 |
3 |
| GE Infrastructure Technology, LLC | 6171 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12387 |
3 |
| Suzhou Mingzhi Technology Co., Ltd | 57 |
3 |
| Toyota Motor Corporation | 35680 |
2 |
| Other owners | 109 |