- All sections
- C - Chemistry; metallurgy
- 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: 751
10-year publication summary
|
44
|
41
|
58
|
79
|
79
|
62
|
59
|
71
|
52
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sandvik Intellectual Property AB | 1634 |
53 |
| Kennametal Inc. | 1380 |
34 |
| Sumitomo Electric Hardmetal Corp. | 969 |
32 |
| Sumitomo Electric Industries, Ltd. | 14131 |
30 |
| Element Six GmbH | 99 |
25 |
| Mitsubishi Materials Corporation | 2378 |
24 |
| Kyocera Corporation | 12735 |
23 |
| Sandvik Mining and Construction Tools AB | 147 |
23 |
| Hyperion Materials & Technologies (Sweden) AB | 75 |
22 |
| Baker Hughes Holdings LLC | 3060 |
22 |
| AB Sandvik Coromant | 175 |
20 |
| Baker Hughes Incorporated | 5689 |
17 |
| Hitachi Metals, Ltd. | 2175 |
16 |
| Fujimi Incorporated | 676 |
13 |
| Element Six (UK) Limited | 178 |
13 |
| Tungaloy Corporation | 481 |
12 |
| Ceratizit Austria Gesellschaft mbH | 118 |
11 |
| Diamond Innovations, Inc. | 241 |
10 |
| SECO Tools AB | 456 |
10 |
| H.C. Starck Tungsten GmbH | 32 |
10 |
| Other owners | 331 |