- All sections
- C - Chemistrymetallurgy
- 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: 8450
10-year publication summary
|
761
|
846
|
832
|
824
|
841
|
866
|
661
|
676
|
774
|
540
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75845 |
128 |
| Evoqua Water Technologies LLC | 932 |
123 |
| Kurita Water Industries Ltd. | 1285 |
96 |
| Ecolab USA Inc. | 5807 |
79 |
| Saudi Arabian Oil Company | 14275 |
52 |
| Coway Co., Ltd. | 788 |
51 |
| Samsung Electronics Co., Ltd. | 158156 |
50 |
| Haier US Appliance Solutions, Inc. | 4067 |
50 |
| Organo Corporation | 541 |
50 |
| Veolia Water Solutions & Technologies Support | 534 |
49 |
| Kemira Oyj | 1259 |
46 |
| Brita GmbH | 95 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
42 |
| Midea Group Co., Ltd. | 5040 |
42 |
| Whirlpool Corporation | 4649 |
39 |
| Crystal Lagoons Technologies, Inc. | 131 |
35 |
| BL Technologies, Inc. | 843 |
28 |
| Brita LP | 99 |
24 |
| Zodiac Pool Systems LLC | 414 |
24 |
| Chandler Systems, Inc. | 41 |
23 |
| Other owners | 7375 |