- 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: 591
10-year publication summary
|
52
|
27
|
41
|
22
|
33
|
26
|
33
|
24
|
42
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1255 |
58 |
| Mitsubishi Heavy Industries, Ltd. | 9010 |
22 |
| Midea Group Co., Ltd. | 4813 |
22 |
| Ecolab USA Inc. | 5707 |
19 |
| Foshan Shunde Midea Water Dispenser Mfg. Co., Ltd. | 131 |
19 |
| Fuji Electric Co., Ltd. | 5373 |
15 |
| Mitsubishi Electric Corporation | 47522 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
13 |
| Terralithium LLC | 56 |
10 |
| Culligan International Company | 151 |
9 |
| Daikin Industries, Ltd. | 10378 |
7 |
| UNGER Marketing International, LLC | 341 |
7 |
| General Electric Company | 13811 |
6 |
| Judo Wasseraufbereitung GmbH | 137 |
6 |
| Nippon Shokubai Co., Ltd. | 1523 |
6 |
| Organo Corporation | 536 |
6 |
| Chandler Systems, Inc. | 41 |
5 |
| EcoWater Systems LLC | 140 |
5 |
| Kyungdong Navien Co., Ltd. | 619 |
5 |
| Nalco Company | 550 |
5 |
| Other owners | 333 |