- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 9/24 - Moulds for peculiarly-shaped castings for hollow articles
Patent holdings for IPC class B22C 9/24
Total number of patents in this class: 329
10-year publication summary
|
34
|
39
|
57
|
46
|
43
|
40
|
29
|
18
|
14
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
62 |
| GE Infrastructure Technology, LLC | 5873 |
26 |
| General Electric Company | 18133 |
21 |
| Safran Aircraft Engines | 5739 |
21 |
| Honda Motor Co., Ltd. | 24537 |
9 |
| Siemens Energy, Inc. | 1770 |
8 |
| Topgolf Callaway Brands Corp. | 1843 |
8 |
| Honda Foundry Co., Ltd. | 24 |
7 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
7 |
| Mikro Systems, Inc. | 56 |
6 |
| Yamaha Hatsudoki Kabushiki Kaisha | 1998 |
6 |
| SAFRAN S.A. | 518 |
5 |
| Rolls-Royce PLC | 2944 |
5 |
| Mueller International, LLC | 694 |
5 |
| Siemens AG | 24990 |
4 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 111 |
4 |
| Nissan Motor Co., Ltd. | 12249 |
3 |
| NSK Ltd. | 2719 |
3 |
| Georgia Tech Research Corporation | 2453 |
3 |
| Mazda Motor Corporation | 3087 |
3 |
| Other owners | 113 |