- 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
|
20
|
20
|
17
|
14
|
12
|
14
|
15
|
5
|
10
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3449 |
28 |
| Chemetall GmbH | 379 |
18 |
| Henkel AG & Co. KGaA | 10583 |
13 |
| Kansai Paint Co., Ltd. | 665 |
11 |
| Nippon Paint Co., Ltd. | 89 |
9 |
| Nihon Parkerizing Co., Ltd. | 289 |
7 |
| Lawrence Livermore National Security, LLC | 1939 |
5 |
| Centre National de La Recherche Scientifique | 10464 |
4 |
| BASF Coatings GmbH | 1199 |
4 |
| Safran Aircraft Engines | 6294 |
4 |
| Hewlett-Packard Development Company, L.P. | 25864 |
3 |
| Audi AG | 7366 |
3 |
| Institut National Polytechnique de Toulouse | 207 |
3 |
| Nippon Steel Corporation | 6274 |
3 |
| Universite Paul Sabatier Toulouse III | 475 |
3 |
| Samsung Electronics Co., Ltd. | 146811 |
2 |
| Honda Motor Co., Ltd. | 25327 |
2 |
| The Sherwin-Williams Company | 538 |
2 |
| GM Global Technology Operations LLC | 15095 |
2 |
| Hyundai Motor Company | 22086 |
2 |
| Other owners | 83 |