- 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: 6984
10-year publication summary
|
553
|
627
|
759
|
844
|
827
|
813
|
821
|
813
|
602
|
193
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 904 |
108 |
| LG Electronics Inc. | 69257 |
100 |
| Ecolab USA Inc. | 5190 |
64 |
| Kurita Water Industries Ltd. | 1110 |
64 |
| Brita GmbH | 109 |
50 |
| Veolia Water Solutions & Technologies Support | 547 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
37 |
| Haier US Appliance Solutions, Inc. | 3178 |
37 |
| Kemira Oyj | 1167 |
36 |
| Whirlpool Corporation | 4238 |
35 |
| Saudi Arabian Oil Company | 11322 |
35 |
| Samsung Electronics Co., Ltd. | 131630 |
32 |
| Brita LP | 110 |
28 |
| BL Technologies, Inc. | 831 |
26 |
| Coway Co., Ltd. | 649 |
26 |
| Midea Group Co., Ltd. | 4025 |
26 |
| Organo Corporation | 394 |
26 |
| Crystal Lagoons Technologies, Inc. | 90 |
26 |
| Unilever PLC | 3540 |
22 |
| Strauss Water Ltd. | 90 |
22 |
| Other owners | 6134 |