- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/72 - Treatment of water, waste water, or sewage by oxidation
Patent holdings for IPC class C02F 1/72
Total number of patents in this class: 2867
10-year publication summary
|
217
|
193
|
261
|
202
|
261
|
193
|
210
|
202
|
261
|
165
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5843 |
87 |
| Evoqua Water Technologies LLC | 929 |
44 |
| Kemira Oyj | 1270 |
30 |
| Claros Technologies Inc. | 62 |
27 |
| Nanjing University | 816 |
26 |
| Kurita Water Industries Ltd. | 1298 |
25 |
| Clean Chemistry, Inc. | 41 |
22 |
| Revive Environmental Technology, LLC | 37 |
22 |
| Organo Corporation | 556 |
21 |
| Harbin Institute of Technology | 504 |
20 |
| Immunolight, LLC | 212 |
16 |
| Zymeflow, Inc. | 45 |
16 |
| TriStar Global Energy Solutions, Inc. | 29 |
14 |
| Imam Abdulrahman Bin Faisal University | 642 |
14 |
| Cr3 Zymeflow, Inc. | 29 |
14 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4152 |
13 |
| Centre National de La Recherche Scientifique | 11143 |
12 |
| Chinese Research Academy of Environmental Sciences | 136 |
12 |
| Xi'an Jiaotong University | 749 |
12 |
| Nanjing Yanchang Reaction Technology Research Institute Co. Ltd | 120 |
12 |
| Other owners | 2408 |