- 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: 2626
10-year publication summary
|
197
|
217
|
191
|
261
|
201
|
257
|
192
|
198
|
186
|
152
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5499 |
82 |
| Evoqua Water Technologies LLC | 915 |
37 |
| Kemira Oyj | 1207 |
26 |
| Nanjing University | 731 |
25 |
| Kurita Water Industries Ltd. | 1194 |
23 |
| Clean Chemistry, Inc. | 36 |
22 |
| Revive Environmental Technology, LLC | 34 |
19 |
| Harbin Institute of Technology | 442 |
18 |
| Organo Corporation | 472 |
17 |
| Immunolight, LLC | 208 |
16 |
| TriStar Global Energy Solutions, Inc. | 31 |
15 |
| Cr3 Zymeflow, Inc. | 31 |
15 |
| Zymeflow, Inc. | 42 |
15 |
| Centre National de La Recherche Scientifique | 10442 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3987 |
12 |
| Xi'an Jiaotong University | 661 |
12 |
| Nanjing Yanchang Reaction Technology Research Institute Co. Ltd | 120 |
12 |
| Imam Abdulrahman Bin Faisal University | 525 |
11 |
| Lummus Technology LLC | 442 |
11 |
| Claros Technologies Inc. | 36 |
11 |
| Other owners | 2214 |