- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus therefor
- C25D 21/06 - Filtering
Patent holdings for IPC class C25D 21/06
Total number of patents in this class: 65
10-year publication summary
3
|
8
|
10
|
8
|
10
|
3
|
5
|
9
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
International Business Machines Corporation | 60644 |
7 |
MacDermid Enthone Inc. | 237 |
6 |
Ebara Corporation | 1951 |
5 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
Lam Research Corporation | 4775 |
3 |
Novellus Systems, Inc. | 559 |
3 |
Boe Technology Group Co., Ltd. | 35384 |
3 |
Safran Helicopter Engines | 676 |
3 |
Safran Landing Systems | 621 |
3 |
Proterial, Ltd. | 638 |
3 |
Applied Materials, Inc. | 16587 |
2 |
Contemporary Amperex Technology Co., Limited | 5805 |
2 |
KMW Inc. | 626 |
2 |
Pratt & Whitney Rzeszow SA | 4 |
2 |
Rzeszow University of Technology | 5 |
2 |
The Boeing Company | 19843 |
1 |
Airbus Defence and Space GmbH | 886 |
1 |
Cornell University | 3036 |
1 |
Durr Systems GmbH | 281 |
1 |
Geocorail | 10 |
1 |
Other owners | 10 |