- 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: 709
10-year publication summary
|
51
|
48
|
45
|
60
|
45
|
54
|
47
|
43
|
51
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5663 |
22 |
| Kurita Water Industries Ltd. | 1247 |
22 |
| Organo Corporation | 527 |
20 |
| Evoqua Water Technologies LLC | 926 |
19 |
| The Texas a & M University System | 1808 |
10 |
| Kemira Oyj | 1231 |
9 |
| ChemTreat, Inc. | 248 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8961 |
7 |
| Earth Renaissance Technologies, LLC | 23 |
7 |
| Nanjing University | 764 |
7 |
| The Regents of the University of California | 20378 |
6 |
| Toray Industries, Inc. | 7011 |
6 |
| Nalco Company | 557 |
6 |
| Nomura Micro Science Co., Ltd. | 80 |
6 |
| Claros Technologies Inc. | 46 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
5 |
| Chinese Research Academy of Environmental Sciences | 128 |
5 |
| The Chugoku Electric Power Co., Inc. | 511 |
5 |
| Höganäs AB | 303 |
5 |
| OxyTec LLC | 10 |
5 |
| Other owners | 523 |