- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
Patent holdings for IPC class C22C 19/05
Total number of patents in this class: 2193
10-year publication summary
|
156
|
170
|
178
|
173
|
134
|
154
|
111
|
139
|
113
|
78
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1898 |
92 |
| Nippon Steel Corporation | 6871 |
87 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
63 |
| VDM Metals International GmbH | 105 |
56 |
| General Electric Company | 13899 |
55 |
| Siemens AG | 24029 |
54 |
| GE Infrastructure Technology, LLC | 6171 |
51 |
| Rtx Corporation | 10102 |
51 |
| Safran Aircraft Engines | 6694 |
46 |
| Proterial, Ltd. | 935 |
40 |
| Siemens Energy, Inc. | 1685 |
38 |
| Haynes International, Inc. | 109 |
37 |
| SAFRAN S.A. | 791 |
36 |
| National Institute for Materials Science | 1085 |
35 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
34 |
| Mitsubishi Power, Ltd. | 1833 |
27 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
25 |
| ATI Properties LLC | 200 |
25 |
| Daido Steel Co., Ltd. | 284 |
23 |
| IHI Corporation | 3535 |
23 |
| Other owners | 1295 |