- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/78 - Treatment of water, waste water, or sewage by oxidation with ozone
Patent holdings for IPC class C02F 1/78
Total number of patents in this class: 1614
10-year publication summary
|
155
|
139
|
150
|
125
|
140
|
137
|
100
|
95
|
131
|
65
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Biosecurity Technology, LLC | 40 |
30 |
| Mitsubishi Electric Corporation | 48236 |
25 |
| Chandler Systems, Inc. | 41 |
22 |
| Veolia Water Solutions & Technologies Support | 533 |
19 |
| Claros Technologies Inc. | 58 |
18 |
| Delta Faucet Company | 2873 |
17 |
| Sharp Kabushiki Kaisha | 18495 |
15 |
| Brisben Water Solutions LLC | 20 |
12 |
| Hydrozonix LLC | 29 |
11 |
| Kurita Water Industries Ltd. | 1290 |
11 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
10 |
| Tsinghua University | 6238 |
9 |
| American Air Liquide, Inc. | 267 |
9 |
| Metawater Co., Ltd. | 200 |
9 |
| OxyTec LLC | 10 |
9 |
| Hitachi, Ltd. | 16183 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
8 |
| AquaStar Pool Products, Inc. | 88 |
8 |
| Ecolab USA Inc. | 5820 |
8 |
| Panasonic Corporation | 18809 |
7 |
| Other owners | 1349 |