- 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: 250
10-year publication summary
|
11
|
16
|
31
|
14
|
31
|
26
|
7
|
15
|
22
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5814 |
24 |
| Evoqua Water Technologies LLC | 916 |
22 |
| VWS (UK) Limited | 75 |
13 |
| Kurita Water Industries Ltd. | 1198 |
12 |
| Organo Corporation | 476 |
12 |
| Nomura Micro Science Co., Ltd. | 80 |
8 |
| Nitto Denko Corporation | 8271 |
4 |
| Midea Group Co., Ltd. | 4590 |
4 |
| NxStage Medical, Inc. | 293 |
4 |
| Greensource Fabrication LLC | 11 |
4 |
| Samsung Electronics Co., Ltd. | 147131 |
3 |
| Ebara Corporation | 2176 |
3 |
| Entegris, Inc. | 1885 |
3 |
| Ovivo Inc. | 162 |
3 |
| Sartorius Lab Instruments GmbH & Co. KG | 188 |
3 |
| UNGER Marketing International, LLC | 339 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43064 |
2 |
| Baxter International Inc. | 2406 |
2 |
| Baxter Healthcare S.A. | 1832 |
2 |
| A. o. Smith Corporation | 211 |
2 |
| Other owners | 117 |