- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
Patent holdings for IPC class C02F 1/32
Total number of patents in this class: 3095
10-year publication summary
|
231
|
261
|
281
|
311
|
298
|
266
|
271
|
205
|
216
|
163
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seoul Viosys Co., Ltd. | 1474 |
52 |
| Organo Corporation | 480 |
48 |
| Nikkiso Co., Ltd. | 786 |
45 |
| Trojan Technologies Inc. | 52 |
33 |
| Evoqua Water Technologies LLC | 916 |
32 |
| Kurita Water Industries Ltd. | 1200 |
29 |
| LG Electronics Inc. | 73476 |
27 |
| Atlantium Technologies Ltd. | 40 |
26 |
| Immunolight, LLC | 208 |
25 |
| Koninklijke Philips N.V. | 24827 |
23 |
| The University of British Columbia | 1504 |
23 |
| Trojan Technologies Group ULC | 136 |
23 |
| Access Business Group International LLC | 364 |
22 |
| Chandler Systems, Inc. | 41 |
22 |
| VWS (UK) Limited | 75 |
19 |
| Merck Patent GmbH | 5820 |
18 |
| Stanley Electric Co., Ltd. | 1257 |
18 |
| Koninklijke Philips Electronics N.V. | 9431 |
17 |
| Trojan Technologies | 38 |
17 |
| Shenzhen Hcen Technology Co., Ltd | 52 |
16 |
| Other owners | 2560 |