- 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: 282
10-year publication summary
|
16
|
31
|
14
|
31
|
27
|
9
|
22
|
24
|
21
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5725 |
27 |
| Evoqua Water Technologies LLC | 931 |
24 |
| Kurita Water Industries Ltd. | 1283 |
18 |
| Organo Corporation | 537 |
17 |
| VWS (UK) Limited | 69 |
13 |
| Nomura Micro Science Co., Ltd. | 86 |
9 |
| Samsung Electronics Co., Ltd. | 157300 |
7 |
| Nitto Denko Corporation | 8517 |
4 |
| Midea Group Co., Ltd. | 4964 |
4 |
| NxStage Medical, Inc. | 297 |
4 |
| Ovivo Inc. | 57 |
4 |
| Greensource Fabrication LLC | 14 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48214 |
3 |
| Ebara Corporation | 2320 |
3 |
| Disco Corporation | 1955 |
3 |
| Ecolab USA Inc. | 5789 |
3 |
| Entegris, Inc. | 2004 |
3 |
| Sartorius Lab Instruments GmbH & Co. KG | 193 |
3 |
| UNGER Marketing International, LLC | 344 |
3 |
| Nanosized Sweden AB | 6 |
3 |
| Other owners | 123 |