- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 29/08 - 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 based on carbides, but not containing other metal compounds based on tungsten carbide
Patent holdings for IPC class C22C 29/08
Total number of patents in this class: 944
10-year publication summary
|
58
|
79
|
80
|
61
|
61
|
72
|
53
|
80
|
97
|
45
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16331 |
64 |
| Sumitomo Electric Hardmetal Corp. | 1101 |
52 |
| Sandvik Intellectual Property AB | 1389 |
48 |
| AB Sandvik Coromant | 306 |
40 |
| Kennametal Inc. | 1354 |
39 |
| Sandvik Mining and Construction Tools AB | 199 |
37 |
| Kyocera Corporation | 14433 |
35 |
| Mitsubishi Materials Corporation | 2481 |
33 |
| Element Six GmbH | 111 |
28 |
| Element Six (UK) Limited | 236 |
22 |
| Hyperion Materials & Technologies (Sweden) AB | 64 |
20 |
| Baker Hughes Holdings LLC | 3015 |
19 |
| Hitachi Metals, Ltd. | 1824 |
16 |
| Hyperion Materials & Technologies, Inc. | 28 |
15 |
| Baker Hughes Incorporated | 4903 |
14 |
| Fujimi Incorporated | 805 |
13 |
| SECO Tools AB | 448 |
13 |
| Tungaloy Corporation | 539 |
13 |
| Betek GmbH & Co. KG | 158 |
11 |
| Diamond Innovations, Inc. | 235 |
11 |
| Other owners | 401 |