- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/70 - Treatment of water, waste water, or sewage by reduction
Patent holdings for IPC class C02F 1/70
Total number of patents in this class: 705
10-year publication summary
|
57
|
50
|
50
|
64
|
50
|
57
|
52
|
48
|
53
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5732 |
22 |
| Kurita Water Industries Ltd. | 1261 |
22 |
| Organo Corporation | 536 |
20 |
| Evoqua Water Technologies LLC | 930 |
19 |
| The Texas a & M University System | 1845 |
10 |
| ChemTreat, Inc. | 264 |
8 |
| Kemira Oyj | 1239 |
8 |
| Claros Technologies Inc. | 52 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 9023 |
7 |
| Nanjing University | 785 |
7 |
| The Regents of the University of California | 20556 |
6 |
| Toray Industries, Inc. | 7045 |
6 |
| Earth Renaissance Technologies, LLC | 22 |
6 |
| Nalco Company | 550 |
6 |
| Nomura Micro Science Co., Ltd. | 81 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
5 |
| Chinese Research Academy of Environmental Sciences | 128 |
5 |
| The Chugoku Electric Power Co., Inc. | 514 |
5 |
| Höganäs AB | 300 |
5 |
| OxyTec LLC | 10 |
5 |
| Other owners | 519 |