- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
Patent holdings for IPC class C02F 1/461
Total number of patents in this class: 2807
10-year publication summary
|
213
|
199
|
240
|
247
|
267
|
247
|
299
|
283
|
269
|
127
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 30822 |
126 |
| Evoqua Water Technologies LLC | 913 |
42 |
| Industrie de Nora S.p.A. | 276 |
33 |
| Nihon Trim Co., Ltd. | 110 |
32 |
| Axine Water Technologies Inc. | 48 |
30 |
| Robert Bosch GmbH | 42392 |
25 |
| Samsung Electronics Co., Ltd. | 143555 |
23 |
| Tennant Company | 255 |
21 |
| The Regents of the University of California | 19784 |
18 |
| Centre National de La Recherche Scientifique | 10284 |
15 |
| Koninklijke Philips N.V. | 24499 |
15 |
| California Institute of Technology | 3958 |
15 |
| Boying Xiamen Science and Technology Co., Ltd. | 31 |
15 |
| E2Metrix Inc. | 26 |
15 |
| Techwin Co., Ltd. | 64 |
15 |
| Nuquatic, LLC | 22 |
15 |
| Techcross Co., Ltd. | 37 |
14 |
| LG Electronics Inc. | 72247 |
13 |
| ElectroSea, LLC | 42 |
13 |
| de Nora Permelec Ltd | 158 |
12 |
| Other owners | 2300 |