- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/46 - Treatment of water, waste water, or sewage by electrochemical methods
Patent holdings for IPC class C02F 1/46
Total number of patents in this class: 1603
10-year publication summary
|
150
|
175
|
169
|
160
|
100
|
136
|
100
|
87
|
73
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nihon Trim Co., Ltd. | 108 |
52 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
42 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
29 |
| Evoqua Water Technologies LLC | 904 |
25 |
| Panasonic Corporation | 20786 |
24 |
| Sharp Kabushiki Kaisha | 18957 |
15 |
| Daikin Industries, Ltd. | 9495 |
14 |
| BL Technologies, Inc. | 831 |
13 |
| General Electric Company | 18133 |
12 |
| Mitsubishi Electric Corporation | 43934 |
12 |
| Morinaga Milk Industry Co., Ltd. | 358 |
12 |
| Tech Corporation Co., Ltd. | 26 |
12 |
| Robert Bosch GmbH | 40953 |
11 |
| Koninklijke Philips N.V. | 22975 |
11 |
| Saltworks Technologies Inc. | 87 |
11 |
| Sanyo Electric Co., Ltd. | 3926 |
9 |
| Massachusetts Institute of Technology | 9795 |
9 |
| Axine Water Technologies Inc. | 47 |
9 |
| The Chugoku Electric Power Co., Inc. | 498 |
9 |
| Drexel University | 951 |
9 |
| Other owners | 1263 |