- All sections
- C - Chemistry; metallurgy
- 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: 2886
10-year publication summary
213
|
251
|
276
|
305
|
325
|
311
|
278
|
273
|
199
|
56
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Seoul Viosys Co., Ltd. | 1359 |
47 |
Nikkiso Co., Ltd. | 754 |
43 |
Trojan Technologies Inc. | 60 |
35 |
Organo Corporation | 394 |
33 |
Evoqua Water Technologies LLC | 904 |
30 |
LG Electronics Inc. | 69257 |
25 |
Atlantium Technologies Ltd. | 40 |
25 |
Immunolight, LLC | 199 |
25 |
Kurita Water Industries Ltd. | 1110 |
25 |
The University of British Columbia | 1432 |
24 |
Koninklijke Philips N.V. | 22975 |
23 |
Access Business Group International LLC | 367 |
23 |
Foret Plasma Labs, LLC | 85 |
21 |
Koninklijke Philips Electronics N.V. | 13133 |
20 |
Chandler Systems, Inc. | 39 |
20 |
Aquisense Technologies LLC | 21 |
18 |
Merck Patent GmbH | 5909 |
17 |
Trojan Technologies | 38 |
17 |
VWS (UK) Limited | 77 |
17 |
Wallenius Water Aktiebolag | 18 |
17 |
Other owners | 2381 |