- All sections
- C - Chemistry; metallurgy
- 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: 2416
10-year publication summary
177
|
197
|
217
|
192
|
260
|
202
|
256
|
186
|
176
|
50
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ecolab USA Inc. | 5190 |
76 |
Evoqua Water Technologies LLC | 904 |
31 |
Nanjing University | 646 |
26 |
Clean Chemistry, Inc. | 33 |
22 |
Kemira Oyj | 1167 |
21 |
Kurita Water Industries Ltd. | 1110 |
21 |
Harbin Institute of Technology | 356 |
17 |
Immunolight, LLC | 199 |
16 |
United Laboratories International, LLC | 69 |
16 |
Centre National de La Recherche Scientifique | 9632 |
13 |
Xi'an Jiaotong University | 579 |
12 |
Nanjing Yanchang Reaction Technology Research Institute Co. Ltd | 121 |
12 |
Organo Corporation | 394 |
11 |
Lummus Technology LLC | 365 |
11 |
Siemens Energy, Inc. | 1770 |
10 |
Duke University | 2872 |
10 |
Chinese Research Academy of Environmental Sciences | 113 |
10 |
King Abdulaziz University | 511 |
10 |
Solvay SA | 1181 |
10 |
BL Technologies, Inc. | 831 |
9 |
Other owners | 2052 |