- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 9/22 - Moulds for peculiarly-shaped castings
Patent holdings for IPC class B22C 9/22
Total number of patents in this class: 289
10-year publication summary
|
34
|
48
|
39
|
43
|
37
|
26
|
21
|
23
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
24 |
| General Electric Company | 18133 |
18 |
| Safran Aircraft Engines | 5739 |
18 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
8 |
| Honda Motor Co., Ltd. | 24537 |
7 |
| United Technologies Corporation | 2328 |
7 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
7 |
| Bedloe Industries LLC | 71 |
7 |
| Nevis Industries LLC | 63 |
7 |
| SAFRAN S.A. | 518 |
6 |
| Pennsy Corporation | 36 |
6 |
| Halliburton Energy Services, Inc. | 20165 |
5 |
| Amsted Rail Company, Inc. | 432 |
5 |
| Hitachi Automotive Systems, Ltd. | 3970 |
4 |
| Nike, Inc. | 13075 |
4 |
| Nemak, S.A.B. de C.V. | 87 |
4 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
4 |
| Karsten Manufacturing Corporation | 2912 |
3 |
| Matthews International Corporation | 350 |
3 |
| UACJ Corporation | 631 |
3 |
| Other owners | 139 |