- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 101/20 - Heavy metals or heavy metal compounds
Patent holdings for IPC class C02F 101/20
Total number of patents in this class: 1161
10-year publication summary
|
91
|
109
|
122
|
134
|
156
|
129
|
121
|
56
|
58
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5190 |
14 |
| Northwestern University | 3112 |
13 |
| Evoqua Water Technologies LLC | 904 |
13 |
| Massachusetts Institute of Technology | 9795 |
11 |
| Chinese Research Academy of Environmental Sciences | 113 |
11 |
| Brita LP | 110 |
10 |
| King Abdulaziz University | 511 |
9 |
| The Texas a & M University System | 1519 |
9 |
| Terralithium LLC | 52 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
| Veolia Water Solutions & Technologies Support | 547 |
8 |
| Centre National de La Recherche Scientifique | 9632 |
7 |
| Dexerials Corporation | 1826 |
7 |
| King Fahd University of Petroleum and Minerals | 779 |
7 |
| Nanjing University | 646 |
7 |
| Solvay SA | 1181 |
7 |
| LG Electronics Inc. | 69257 |
6 |
| Adey Holdings (2008) Limited | 322 |
6 |
| BL Technologies, Inc. | 831 |
6 |
| The Curators of the University of Missouri | 965 |
6 |
| Other owners | 987 |