- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/06 - Contaminated groundwater or leachate
Patent holdings for IPC class C02F 103/06
Total number of patents in this class: 513
10-year publication summary
|
48
|
56
|
64
|
64
|
56
|
53
|
61
|
43
|
28
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 904 |
8 |
| Specialty Earth Sciences, LLC | 17 |
8 |
| Terralithium LLC | 52 |
8 |
| OxyTec LLC | 10 |
7 |
| The Texas a & M University System | 1519 |
7 |
| Chinese Research Academy of Environmental Sciences | 113 |
6 |
| DEKA Products Limited Partnership | 1640 |
5 |
| Molecular Rebar Design, LLC | 68 |
5 |
| Remediation Products, Inc. | 24 |
5 |
| Brita LP | 110 |
4 |
| Cornell University | 3036 |
4 |
| Eco Verde Technologies, Inc. | 6 |
4 |
| Höganäs AB | 337 |
4 |
| Innovative Environmental Technologies, Inc. | 10 |
4 |
| Nanjing University | 646 |
4 |
| Regenesis Bioremediation Products | 50 |
4 |
| Spogen Biotech Inc. | 106 |
4 |
| Suez Groupe | 171 |
4 |
| Heartland Water Technology, Inc. | 30 |
4 |
| The Regents of the University of California | 18943 |
3 |
| Other owners | 411 |