- All sections
- C - Chemistrymetallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpieces by electrolysisapparatus therefor
- C25D 21/06 - Filtering
Patent holdings for IPC class C25D 21/06
Total number of patents in this class: 69
10-year publication summary
|
8
|
10
|
8
|
10
|
3
|
5
|
10
|
2
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61228 |
6 |
| Ebara Corporation | 2169 |
6 |
| MacDermid Enthone Inc. | 239 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42704 |
5 |
| Applied Materials, Inc. | 18621 |
4 |
| Lam Research Corporation | 5239 |
4 |
| Hitachi, Ltd. | 15484 |
3 |
| Novellus Systems, Inc. | 483 |
3 |
| Boe Technology Group Co., Ltd. | 41139 |
3 |
| Safran Helicopter Engines | 758 |
3 |
| Safran Landing Systems | 720 |
3 |
| KMW Inc. | 727 |
2 |
| The Boeing Company | 20043 |
1 |
| Airbus Defence and Space GmbH | 867 |
1 |
| Contemporary Amperex Technology Co., Limited | 6577 |
1 |
| Cornell University | 3306 |
1 |
| Durr Systems GmbH | 270 |
1 |
| Geocorail | 11 |
1 |
| Jiangsu University | 1099 |
1 |
| MicroContinuum, Inc. | 29 |
1 |
| Other owners | 13 |