- 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: 3025
10-year publication summary
|
179
|
229
|
228
|
250
|
241
|
284
|
270
|
267
|
281
|
62
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
142 |
| Evoqua Water Technologies LLC | 922 |
45 |
| Industrie de Nora S.p.A. | 277 |
34 |
| Nihon Trim Co., Ltd. | 115 |
34 |
| Samsung Electronics Co., Ltd. | 152716 |
33 |
| Axine Water Technologies Inc. | 48 |
30 |
| Robert Bosch GmbH | 43449 |
27 |
| The Regents of the University of California | 20494 |
19 |
| Nuquatic, LLC | 26 |
17 |
| Tennant Company | 263 |
16 |
| Centre National de La Recherche Scientifique | 10855 |
15 |
| Koninklijke Philips N.V. | 25470 |
15 |
| California Institute of Technology | 4019 |
15 |
| Boying Xiamen Science and Technology Co., Ltd. | 31 |
15 |
| Techwin Co., Ltd. | 66 |
15 |
| ElectroSea, LLC | 49 |
15 |
| Techcross Co., Ltd. | 37 |
14 |
| LG Electronics Inc. | 74757 |
13 |
| Massachusetts Institute of Technology | 10201 |
13 |
| Mangrove Water Technologies Ltd. | 36 |
13 |
| Other owners | 2485 |