- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 101/16 - Nitrogen compounds, e.g. ammonia
Patent holdings for IPC class C02F 101/16
Total number of patents in this class: 1055
10-year publication summary
|
68
|
82
|
80
|
89
|
113
|
96
|
111
|
75
|
77
|
107
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13512 |
23 |
| Beijing University of Technology | 504 |
19 |
| Veolia Water Solutions & Technologies Support | 535 |
17 |
| Evoqua Water Technologies LLC | 917 |
13 |
| Nanjing University | 740 |
12 |
| University of South Florida | 1841 |
10 |
| Chinese Research Academy of Environmental Sciences | 128 |
10 |
| BL Technologies, Inc. | 836 |
9 |
| Xiamen University of Technology | 50 |
9 |
| LG Chem, Ltd. | 17674 |
8 |
| Tongji University | 523 |
8 |
| Tomorrow Water | 17 |
8 |
| Qingdao Spring Water Treatment Co., Ltd. | 14 |
8 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
7 |
| Jiangnan University | 1547 |
7 |
| Anaergia Inc. | 108 |
6 |
| Bion Environmental Technologies, Inc. | 8 |
6 |
| ChemTreat, Inc. | 236 |
6 |
| Technion Research & Development Foundation Ltd. | 1233 |
6 |
| University of Central Florida Research Foundation, Inc. | 1204 |
6 |
| Other owners | 857 |