- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 3/00 - Selection of compositions for coating the surfaces of moulds, cores, or patterns
Patent holdings for IPC class B22C 3/00
Total number of patents in this class: 294
10-year publication summary
|
29
|
23
|
33
|
23
|
26
|
16
|
19
|
20
|
13
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
15 |
| Hüttenes-Albertus Chemische Werke GmbH | 150 |
15 |
| ASK Chemicals GmbH | 122 |
13 |
| MEC International Co., Ltd. | 16 |
11 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
10 |
| Rtx Corporation | 8674 |
10 |
| Yushiro Chemical Industry Co., Ltd. | 56 |
8 |
| Hitachi Metals, Ltd. | 2175 |
6 |
| Aoki Science Institute Co., Ltd. | 16 |
6 |
| Ube Industries, Ltd. | 921 |
6 |
| Foseco International Limited | 204 |
5 |
| HA International, LLC | 41 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
| GM Global Technology Operations LLC | 13620 |
4 |
| Ashland-sudchemie-kernfest GmbH | 26 |
4 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
4 |
| General Electric Company | 18133 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Kao Corporation | 4843 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| Other owners | 156 |