- All sections
- C - Chemistrymetallurgy
- 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: 1518
10-year publication summary
|
109
|
122
|
135
|
157
|
132
|
139
|
110
|
83
|
102
|
161
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5587 |
19 |
| Chinese Research Academy of Environmental Sciences | 128 |
15 |
| Massachusetts Institute of Technology | 10130 |
14 |
| Northwestern University | 3450 |
14 |
| Evoqua Water Technologies LLC | 920 |
14 |
| Terralithium LLC | 56 |
14 |
| Tongji University | 526 |
12 |
| King Abdulaziz University | 512 |
11 |
| Brita LP | 93 |
10 |
| Regents of the University of Minnesota | 2733 |
10 |
| The Texas a & M University System | 1771 |
10 |
| Veolia Water Solutions & Technologies Support | 535 |
10 |
| Centre National de La Recherche Scientifique | 10666 |
9 |
| King Fahd University of Petroleum and Minerals | 1362 |
9 |
| Powertech Water Inc. | 25 |
9 |
| Imam Mohammad Ibn Saud Islamic University | 177 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
8 |
| LG Electronics Inc. | 73678 |
7 |
| BL Technologies, Inc. | 838 |
7 |
| Dexerials Corporation | 1954 |
7 |
| Other owners | 1300 |