- 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: 3330
10-year publication summary
|
277
|
306
|
326
|
314
|
283
|
294
|
227
|
234
|
268
|
191
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Organo Corporation | 542 |
59 |
| Seoul Viosys Co., Ltd. | 1565 |
54 |
| Nikkiso Co., Ltd. | 794 |
47 |
| Evoqua Water Technologies LLC | 933 |
35 |
| Claros Technologies Inc. | 58 |
35 |
| Kurita Water Industries Ltd. | 1288 |
33 |
| Atlantium Technologies Ltd. | 47 |
29 |
| LG Electronics Inc. | 75807 |
28 |
| Trojan Technologies Group ULC | 149 |
27 |
| Trojan Technologies Inc. | 44 |
26 |
| Immunolight, LLC | 212 |
25 |
| Koninklijke Philips N.V. | 25916 |
23 |
| Access Business Group International LLC | 356 |
23 |
| The University of British Columbia | 1546 |
23 |
| Chandler Systems, Inc. | 41 |
22 |
| Stanley Electric Co., Ltd. | 1386 |
22 |
| Merck Patent GmbH | 5735 |
20 |
| P Tech, LLC | 139 |
18 |
| Ecolab USA Inc. | 5810 |
17 |
| Sensor Electronic Technology, Inc. | 465 |
16 |
| Other owners | 2748 |