- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
Patent holdings for IPC class C02F 1/469
Total number of patents in this class: 1832
10-year publication summary
|
128
|
95
|
126
|
130
|
135
|
125
|
138
|
151
|
131
|
122
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 917 |
82 |
| Kurita Water Industries Ltd. | 1195 |
61 |
| Organo Corporation | 472 |
55 |
| Massachusetts Institute of Technology | 10062 |
53 |
| General Electric Company | 13810 |
34 |
| Saltworks Technologies Inc. | 94 |
30 |
| Samsung Electronics Co., Ltd. | 146811 |
29 |
| Robert Bosch GmbH | 42705 |
25 |
| FUJIFILM Manufacturing Europe B.V. | 261 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
24 |
| Kyungdong Navien Co., Ltd. | 618 |
23 |
| Coway Co., Ltd. | 731 |
21 |
| Texopco LLC | 36 |
19 |
| Baxter International Inc. | 2405 |
18 |
| Baxter Healthcare S.A. | 1833 |
18 |
| Voltea B.V. | 20 |
18 |
| Idropan Dell'orto Depuratori S.r.l. | 20 |
16 |
| Lawrence Livermore National Security, LLC | 1939 |
15 |
| BL Technologies, Inc. | 835 |
14 |
| Xerox Corporation | 7002 |
13 |
| Other owners | 1239 |