- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 29/02 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides
Patent holdings for IPC class C22C 29/02
Total number of patents in this class: 241
10-year publication summary
|
26
|
18
|
18
|
10
|
6
|
13
|
8
|
15
|
12
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sandvik Intellectual Property AB | 1439 |
21 |
| Sumitomo Electric Industries, Ltd. | 15928 |
14 |
| Kennametal Inc. | 1368 |
11 |
| Weir Minerals Australia, Ltd. | 309 |
9 |
| Kyocera Corporation | 14137 |
8 |
| Sumitomo Electric Hardmetal Corp. | 1057 |
7 |
| Oerlikon Metco (US) Inc. | 212 |
7 |
| Hyperion Materials & Technologies (Sweden) AB | 66 |
7 |
| Sandvik Machining Solutions AB | 80 |
5 |
| Alcoa USA Corp. | 200 |
4 |
| Ceratizit Austria Gesellschaft mbH | 121 |
4 |
| Mitsubishi Materials Corporation | 2471 |
4 |
| Hitachi Metals, Ltd. | 1947 |
3 |
| A.L.M.T. Corp. | 234 |
3 |
| Element Six GmbH | 109 |
3 |
| Nippon Tungsten Co., Ltd. | 44 |
3 |
| Tocalo Co., Ltd. | 108 |
3 |
| Xiamen Golden Egret Special Alloy Co., Ltd. | 8 |
3 |
| Xiamen Tungsten Co., Ltd. | 105 |
3 |
| Baker Hughes Oilfield Operations, LLC | 2400 |
3 |
| Other owners | 116 |