- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 5/00 - Softening waterPreventing scaleAdding scale preventatives or scale removers to water, e.g. adding sequestering agents
Patent holdings for IPC class C02F 5/00
Total number of patents in this class: 602
10-year publication summary
|
28
|
52
|
27
|
41
|
22
|
33
|
26
|
33
|
23
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1234 |
59 |
| Mitsubishi Heavy Industries, Ltd. | 8910 |
22 |
| Midea Group Co., Ltd. | 4685 |
22 |
| Ecolab USA Inc. | 5607 |
19 |
| Foshan Shunde Midea Water Dispenser Mfg. Co., Ltd. | 126 |
19 |
| Mitsubishi Electric Corporation | 47014 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
13 |
| Fuji Electric Co., Ltd. | 5277 |
13 |
| Culligan International Company | 150 |
10 |
| Terralithium LLC | 56 |
10 |
| Daikin Industries, Ltd. | 10167 |
7 |
| Nippon Shokubai Co., Ltd. | 1507 |
7 |
| UNGER Marketing International, LLC | 339 |
7 |
| General Electric Company | 13827 |
6 |
| Judo Wasseraufbereitung GmbH | 137 |
6 |
| Organo Corporation | 507 |
6 |
| Chandler Systems, Inc. | 41 |
5 |
| EcoWater Systems LLC | 133 |
5 |
| Kyungdong Navien Co., Ltd. | 620 |
5 |
| Nalco Company | 564 |
5 |
| Other owners | 343 |