- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 9/20 - Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
Patent holdings for IPC class C02F 9/20
Total number of patents in this class: 91
10-year publication summary
|
0
|
1
|
0
|
1
|
5
|
10
|
5
|
19
|
33
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5815 |
5 |
| Evoqua Water Technologies LLC | 917 |
4 |
| Compagnie Gervais Danone | 883 |
3 |
| Culligan International Company | 152 |
3 |
| Delta Faucet Company | 2786 |
3 |
| Veolia Nuclear Solutions Inc. | 62 |
3 |
| Lucas Lifecare, LLC | 5 |
3 |
| The Cleveland Clinic Foundation | 1571 |
2 |
| EcoWater Systems LLC | 135 |
2 |
| Parker-Hannifin Corporation | 1038 |
2 |
| Quench USA, Inc. | 44 |
2 |
| SodaStream Industries Ltd. | 85 |
2 |
| ReAqua Solutions, LLC | 3 |
2 |
| Samsung Electronics Co., Ltd. | 146811 |
1 |
| Industrial Technology Research Institute | 5081 |
1 |
| Hamilton Sundstrand Corporation | 4891 |
1 |
| University of Florida Research Foundation, Inc. | 4035 |
1 |
| University of South Florida | 1834 |
1 |
| Aqua Tru, LLC | 23 |
1 |
| Caleffi S.p.A. | 108 |
1 |
| Other owners | 48 |