- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/00 - Nature of the water, waste water, sewage or sludge to be treated
Patent holdings for IPC class C02F 103/00
Total number of patents in this class: 1189
10-year publication summary
|
128
|
126
|
151
|
166
|
168
|
170
|
153
|
92
|
62
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chandler Systems, Inc. | 39 |
20 |
| Evoqua Water Technologies LLC | 904 |
11 |
| Ecolab USA Inc. | 5190 |
10 |
| Advanced Drainage Systems, Inc. | 304 |
9 |
| Conopco, Inc. | 4644 |
8 |
| Crystal Lagoons Technologies, Inc. | 90 |
8 |
| Clean Chemistry, Inc. | 33 |
7 |
| ElectroSea, LLC | 35 |
7 |
| Oldcastle Infrastructure, Inc. | 68 |
7 |
| Chongqing University | 221 |
6 |
| Foret Plasma Labs, LLC | 85 |
6 |
| MAG Aerospace Industries, LLC | 147 |
6 |
| Orbital Systems AB | 79 |
6 |
| PanAsia Co., Ltd. | 109 |
6 |
| Semb-eco R&D Pte Ltd | 10 |
6 |
| Unilever PLC | 3540 |
5 |
| Unilever N.V. | 3440 |
5 |
| Korea Institute of Science and Technology | 2022 |
5 |
| Bio Clean Environmental Services, Inc. | 32 |
5 |
| Board of Trustees of the University of Arkansas | 771 |
5 |
| Other owners | 1041 |