- 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: 602
10-year publication summary
|
77
|
58
|
75
|
51
|
38
|
51
|
45
|
36
|
33
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sintokogio, Ltd. | 1175 |
38 |
| ASK Chemicals GmbH | 155 |
23 |
| Nevis Industries LLC | 62 |
20 |
| Rtx Corporation | 9211 |
18 |
| General Electric Company | 17090 |
17 |
| Bedloe Industries LLC | 71 |
17 |
| Kao Corporation | 4913 |
11 |
| Asahi Yukizai Corporation | 133 |
11 |
| Hüttenes-Albertus Chemische Werke GmbH | 157 |
11 |
| Nanjing University of Aeronautics and Astronautics | 404 |
11 |
| GM Global Technology Operations LLC | 14503 |
9 |
| Advanced Manufacture Technology Center, China Academy Of Machinery Science & Technology | 47 |
9 |
| Asahi Organic Chemicals Industry Co., Ltd. | 87 |
9 |
| ASK Chemicals LLC | 106 |
9 |
| Hitachi Metals, Ltd. | 2007 |
7 |
| Bayerische Motoren Werke Aktiengesellschaft | 14017 |
7 |
| Fisher Controls International LLC | 1472 |
7 |
| Foseco International Limited | 214 |
7 |
| Magnus Metal Ltd. | 29 |
7 |
| Amsted Rail Company, Inc. | 427 |
6 |
| Other owners | 348 |