- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
Patent holdings for IPC class C25B 9/19
Total number of patents in this class: 1371
10-year publication summary
|
4
|
6
|
48
|
53
|
94
|
175
|
220
|
259
|
257
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12578 |
36 |
| ThyssenKrupp Nucera AG & Co. KGaA | 72 |
30 |
| Siemens Energy Global GmbH & Co. KG | 3183 |
29 |
| Verdagy, Inc. | 66 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
21 |
| Totalenergies Onetech | 1478 |
20 |
| Honda Motor Co., Ltd. | 25795 |
19 |
| Utility Global, Inc. | 106 |
17 |
| The Regents of the University of California | 20427 |
16 |
| Asahi Kasei Kabushiki Kaisha | 2746 |
16 |
| Saudi Arabian Oil Company | 13886 |
16 |
| The Governing Council of The University of Toronto, | 1528 |
13 |
| Toshiba Energy Systems & Solutions Corp. | 1125 |
13 |
| Robert Bosch GmbH | 43365 |
12 |
| Massachusetts Institute of Technology | 10189 |
12 |
| Industrie de Nora S.p.A. | 277 |
12 |
| Mangrove Water Technologies Ltd. | 35 |
12 |
| The Board of Trustees of the University of Illinois | 2736 |
11 |
| Battelle Energy Alliance, LLC | 597 |
11 |
| de Nora Permelec Ltd | 161 |
11 |
| Other owners | 1021 |