- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 11/131 - Treatment of sludgeDevices therefor by de-watering, drying or thickening by heating using electromagnetic or ultrasonic waves
Patent holdings for IPC class C02F 11/131
Total number of patents in this class: 17
10-year publication summary
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0
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0
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2
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2
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0
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3
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4
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2
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2
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shuimujingu Environmental Technology Co., Ltd. | 4 |
2 |
| The Regents of the University of California | 19784 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2559 |
1 |
| D.C. Water & Sewer Authority | 28 |
1 |
| Electro-kinetic Solutions Inc. | 9 |
1 |
| Huber SE | 99 |
1 |
| Min He | 4 |
1 |
| University of Massachusetts | 2214 |
1 |
| U.S. Environmental Protection Agency | 79 |
1 |
| SEM Energy Limited | 6 |
1 |
| Wisdri Engineering & Research Incorporation Limited | 193 |
1 |
| Eco Wws Oy | 1 |
1 |
| EMAC Lagoons | 4 |
1 |
| Electro-kinetic Solutions Inc. | 2 |
1 |
| Lecheng Xiao | 1 |
1 |
| Poxi He | 1 |
1 |
| Other owners | 0 |