- All sections
- B - Performing operationstransporting
- B22C - Foundry moulding
- B22C 9/02 - Sand moulds or like moulds for shaped castings
Patent holdings for IPC class B22C 9/02
Total number of patents in this class: 638
10-year publication summary
|
58
|
75
|
51
|
38
|
51
|
45
|
37
|
33
|
34
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sintokogio, Ltd. | 1206 |
40 |
| ASK Chemicals GmbH | 154 |
23 |
| Nevis Industries LLC | 64 |
20 |
| Rtx Corporation | 10110 |
18 |
| General Electric Company | 13908 |
17 |
| Bedloe Industries LLC | 72 |
17 |
| Kao Corporation | 5078 |
14 |
| Asahi Yukizai Corporation | 158 |
13 |
| Nanjing University of Aeronautics and Astronautics | 500 |
13 |
| Foseco International Limited | 216 |
11 |
| Hüttenes-Albertus Chemische Werke GmbH | 149 |
11 |
| GM Global Technology Operations LLC | 16170 |
9 |
| Advanced Manufacture Technology Center, China Academy Of Machinery Science & Technology | 47 |
9 |
| Nemak, S.A.B. de C.V. | 110 |
8 |
| Hitachi Metals, Ltd. | 1896 |
7 |
| Bayerische Motoren Werke Aktiengesellschaft | 15318 |
7 |
| Asahi Organic Chemicals Industry Co., Ltd. | 74 |
7 |
| Matthews International Corporation | 321 |
7 |
| Magnus Metal Ltd. | 39 |
7 |
| Hubbell Incorporated | 3454 |
6 |
| Other owners | 374 |