- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/04 - Non-contaminated water, e.g. for industrial water supply for obtaining pure or ultra-pure water
Patent holdings for IPC class C02F 103/04
Total number of patents in this class: 273
10-year publication summary
|
16
|
31
|
14
|
31
|
27
|
9
|
21
|
23
|
21
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5668 |
24 |
| Evoqua Water Technologies LLC | 930 |
24 |
| Organo Corporation | 535 |
17 |
| Kurita Water Industries Ltd. | 1259 |
16 |
| VWS (UK) Limited | 70 |
13 |
| Nomura Micro Science Co., Ltd. | 81 |
9 |
| Samsung Electronics Co., Ltd. | 153845 |
5 |
| Nitto Denko Corporation | 8465 |
4 |
| Midea Group Co., Ltd. | 4837 |
4 |
| NxStage Medical, Inc. | 294 |
4 |
| Ovivo Inc. | 147 |
4 |
| Greensource Fabrication LLC | 13 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47319 |
3 |
| Ebara Corporation | 2269 |
3 |
| Disco Corporation | 1932 |
3 |
| Ecolab USA Inc. | 5725 |
3 |
| Entegris, Inc. | 1980 |
3 |
| Sartorius Lab Instruments GmbH & Co. KG | 190 |
3 |
| UNGER Marketing International, LLC | 342 |
3 |
| Nanosized Sweden AB | 6 |
3 |
| Other owners | 121 |