- All sections
- C - Chemistrymetallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpieces by electrolysisapparatus therefor
- C25D 13/20 - Pretreatment
Patent holdings for IPC class C25D 13/20
Total number of patents in this class: 211
10-year publication summary
|
21
|
17
|
14
|
13
|
14
|
15
|
6
|
12
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3332 |
28 |
| Chemetall GmbH | 373 |
18 |
| Henkel AG & Co. KGaA | 10770 |
12 |
| Kansai Paint Co., Ltd. | 642 |
11 |
| Nihon Parkerizing Co., Ltd. | 296 |
7 |
| Nippon Paint Co., Ltd. | 78 |
7 |
| Lawrence Livermore National Security, LLC | 1973 |
5 |
| Centre National de La Recherche Scientifique | 11023 |
4 |
| BASF Coatings GmbH | 1184 |
4 |
| Safran Aircraft Engines | 6694 |
4 |
| Hewlett-Packard Development Company, L.P. | 25184 |
3 |
| Audi AG | 7563 |
3 |
| Institut National Polytechnique de Toulouse | 224 |
3 |
| Nippon Paint Surf Chemicals Co., Ltd. | 99 |
3 |
| Nippon Steel Corporation | 6871 |
3 |
| ThyssenKrupp Steel Europe AG | 990 |
3 |
| Universite Paul Sabatier Toulouse III | 478 |
3 |
| Samsung Electronics Co., Ltd. | 157719 |
2 |
| Honda Motor Co., Ltd. | 26025 |
2 |
| The Sherwin-Williams Company | 510 |
2 |
| Other owners | 84 |