- All sections
- C - Chemistry; metallurgy
- 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: 2544
10-year publication summary
|
176
|
213
|
199
|
238
|
246
|
266
|
241
|
292
|
268
|
74
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
93 |
| Evoqua Water Technologies LLC | 904 |
37 |
| Industrie de Nora S.p.A. | 274 |
34 |
| Nihon Trim Co., Ltd. | 108 |
31 |
| Axine Water Technologies Inc. | 47 |
29 |
| Robert Bosch GmbH | 40953 |
22 |
| Tennant Company | 246 |
21 |
| Samsung Electronics Co., Ltd. | 131630 |
18 |
| Koninklijke Philips N.V. | 22975 |
17 |
| The Regents of the University of California | 18943 |
15 |
| Boying Xiamen Science and Technology Co., Ltd. | 31 |
15 |
| Techcross Co., Ltd. | 37 |
14 |
| Techwin Co., Ltd. | 57 |
14 |
| Centre National de La Recherche Scientifique | 9632 |
13 |
| California Institute of Technology | 3884 |
13 |
| E2Metrix Inc. | 26 |
13 |
| LG Electronics Inc. | 69257 |
12 |
| de Nora Permelec Ltd | 152 |
12 |
| Kurita Water Industries Ltd. | 1110 |
11 |
| ElectroSea, LLC | 35 |
11 |
| Other owners | 2099 |