- All sections
- C - Chemistry; metallurgy
- C22C - Alloys
- C22C 29/16 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on nitrides
Patent holdings for IPC class C22C 29/16
Total number of patents in this class: 185
10-year publication summary
|
10
|
16
|
14
|
15
|
14
|
11
|
13
|
16
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Hardmetal Corp. | 969 |
19 |
| Sumitomo Electric Industries, Ltd. | 14131 |
18 |
| Kyocera Corporation | 12735 |
15 |
| Mitsubishi Materials Corporation | 2378 |
6 |
| Element Six (production) (Pty) Ltd | 80 |
5 |
| Weir Minerals Australia, Ltd. | 309 |
5 |
| Kennametal Inc. | 1380 |
4 |
| Tungaloy Corporation | 481 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Element Six Abrasives S.A. | 148 |
3 |
| Heraeus Deutschland GmbH & Co. KG | 643 |
3 |
| Regents of the University of Minnesota | 2620 |
3 |
| Terves, LLC | 52 |
3 |
| Baker Hughes Holdings LLC | 3060 |
3 |
| Seiko Epson Corporation | 18724 |
2 |
| Corning Incorporated | 9932 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| Smith International, Inc. | 761 |
2 |
| Centre National d'Etudes Spatiales | 408 |
2 |
| Other owners | 78 |