- All sections
- B - Performing operations; transporting
- 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: 229
10-year publication summary
19
|
25
|
22
|
32
|
26
|
21
|
19
|
17
|
13
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ASK Chemicals GmbH | 122 |
15 |
Rtx Corporation | 8674 |
14 |
Asahi Yukizai Corporation | 121 |
12 |
Hüttenes-Albertus Chemische Werke GmbH | 150 |
12 |
Safran Aircraft Engines | 5739 |
12 |
General Electric Company | 18133 |
9 |
Lignyte Co., Ltd. | 16 |
9 |
Sintokogio, Ltd. | 1148 |
5 |
Foseco International Limited | 204 |
4 |
Loramendi, S. Coop | 32 |
4 |
SAFRAN S.A. | 518 |
3 |
Nissan Motor Co., Ltd. | 12249 |
3 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
Fritz Winter Eisengiesserei GmbH & Co. KG | 41 |
3 |
Nanjing University of Aeronautics and Astronautics | 360 |
3 |
GE Infrastructure Technology, LLC | 5873 |
3 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
3 |
Toyota Motor Corporation | 28582 |
2 |
United Technologies Corporation | 2328 |
2 |
Hitachi Metals, Ltd. | 2175 |
2 |
Other owners | 106 |