- 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: 1156
10-year publication summary
|
82
|
80
|
89
|
114
|
98
|
115
|
86
|
91
|
133
|
49
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14235 |
22 |
| Beijing University of Technology | 520 |
21 |
| Evoqua Water Technologies LLC | 930 |
17 |
| Veolia Water Solutions & Technologies Support | 533 |
17 |
| Nanjing University | 799 |
15 |
| University of South Florida | 1876 |
10 |
| Chinese Research Academy of Environmental Sciences | 134 |
10 |
| Tongji University | 613 |
10 |
| LG Chem, Ltd. | 17921 |
9 |
| BL Technologies, Inc. | 843 |
9 |
| Xiamen University of Technology | 50 |
9 |
| Tomorrow Water | 19 |
8 |
| Qingdao Spring Water Treatment Co., Ltd. | 14 |
8 |
| Claros Technologies Inc. | 58 |
8 |
| ChemTreat, Inc. | 282 |
7 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
7 |
| Jiangnan University | 1631 |
7 |
| Suzhou University of Science and Technology | 88 |
7 |
| Anaergia Inc. | 106 |
6 |
| Bion Environmental Technologies, Inc. | 7 |
6 |
| Other owners | 943 |