- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/00 - Treatment of water, waste water, or sewage
Patent holdings for IPC class C02F 1/00
Total number of patents in this class: 7400
10-year publication summary
|
627
|
759
|
845
|
829
|
822
|
831
|
843
|
630
|
636
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 904 |
112 |
| LG Electronics Inc. | 70957 |
105 |
| Kurita Water Industries Ltd. | 1150 |
71 |
| Ecolab USA Inc. | 5338 |
67 |
| Veolia Water Solutions & Technologies Support | 544 |
49 |
| Brita GmbH | 104 |
46 |
| Saudi Arabian Oil Company | 12423 |
41 |
| Haier US Appliance Solutions, Inc. | 3336 |
40 |
| Kemira Oyj | 1208 |
40 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
37 |
| Samsung Electronics Co., Ltd. | 138729 |
35 |
| Whirlpool Corporation | 4327 |
34 |
| Coway Co., Ltd. | 694 |
33 |
| Midea Group Co., Ltd. | 4292 |
33 |
| Organo Corporation | 437 |
33 |
| BL Technologies, Inc. | 847 |
30 |
| Crystal Lagoons Technologies, Inc. | 96 |
28 |
| Brita LP | 105 |
25 |
| Unilever PLC | 3332 |
22 |
| Toray Industries, Inc. | 6848 |
22 |
| Other owners | 6497 |