- All sections
- B - Performing operationstransporting
- B22C - Foundry moulding
- B22C 9/10 - CoresManufacture or installation of cores
Patent holdings for IPC class B22C 9/10
Total number of patents in this class: 1175
10-year publication summary
|
138
|
125
|
124
|
110
|
96
|
75
|
78
|
41
|
49
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9420 |
166 |
| Safran Aircraft Engines | 6302 |
78 |
| General Electric Company | 13807 |
62 |
| GE Infrastructure Technology, LLC | 6241 |
36 |
| Siemens AG | 24436 |
31 |
| Bedloe Industries LLC | 71 |
21 |
| Mikro Systems, Inc. | 56 |
21 |
| Nevis Industries LLC | 63 |
21 |
| SAFRAN S.A. | 623 |
20 |
| ASK Chemicals GmbH | 158 |
18 |
| Nemak, S.A.B. de C.V. | 103 |
18 |
| Honda Motor Co., Ltd. | 25352 |
17 |
| Bayerische Motoren Werke Aktiengesellschaft | 14440 |
16 |
| Siemens Energy Global GmbH & Co. KG | 2998 |
16 |
| Siemens Energy, Inc. | 1712 |
15 |
| Sintokogio, Ltd. | 1161 |
15 |
| United Technologies Corporation | 2242 |
13 |
| Toyota Motor Corporation | 32599 |
12 |
| GM Global Technology Operations LLC | 15114 |
10 |
| Rolls-Royce PLC | 3125 |
10 |
| Other owners | 559 |