- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus therefor
- C25D 7/04 - Tubes; Rings; Hollow bodies
Patent holdings for IPC class C25D 7/04
Total number of patents in this class: 289
10-year publication summary
|
36
|
21
|
26
|
27
|
20
|
12
|
21
|
20
|
21
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vallourec Oil and Gas France | 461 |
22 |
| Nippon Steel Corporation | 5982 |
17 |
| Modumetal, Inc. | 71 |
15 |
| Rtx Corporation | 9069 |
8 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
7 |
| Howmet Corporation | 55 |
6 |
| Integran Technologies Inc. | 65 |
6 |
| Think Laboratory Co., Ltd. | 120 |
6 |
| Honda Motor Co., Ltd. | 24855 |
5 |
| The Regents of the University of California | 19479 |
4 |
| Robert Bosch GmbH | 41695 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40493 |
4 |
| Siemens AG | 24575 |
3 |
| Kohler Co. | 3919 |
3 |
| University of South Florida | 1823 |
3 |
| Federal-Mogul Burscheid GmbH | 282 |
3 |
| Grohe AG | 1054 |
3 |
| JFE Steel Corporation | 6527 |
3 |
| Stamford Devices Limited | 159 |
3 |
| Toyo Kohan Co., Ltd. | 410 |
3 |
| Other owners | 161 |