- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 11/148 - Combined use of inorganic and organic substances, being added in the same treatment step
Patent holdings for IPC class C02F 11/148
Total number of patents in this class: 52
10-year publication summary
|
1
|
5
|
4
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7
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9
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7
|
9
|
9
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6
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Extrakt Process Solutions LLC | 40 |
4 |
| Graymont Western Canada Inc. | 52 |
4 |
| Envicore Inc. | 15 |
4 |
| Heritage Research Group, LLC | 70 |
3 |
| ConocoPhillips Company | 1697 |
2 |
| Martlin Distributing, LLC | 9 |
2 |
| Premier Magnesia, LLC | 48 |
2 |
| Solenis Technologies Cayman, L.P. | 317 |
2 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 222 |
2 |
| SunCor Energy Inc. | 739 |
2 |
| Synata bio, Inc. | 77 |
2 |
| Vermeer Manufacturing Company | 667 |
2 |
| Shanghai National Engineering Research Center of Urban Water Resources Co., Ltd. | 19 |
2 |
| Clariant International Ltd. | 889 |
1 |
| Easymining Sweden AB | 70 |
1 |
| Evoqua Water Technologies LLC | 931 |
1 |
| Graymont (PA) Inc. | 18 |
1 |
| Nippon Paper Industries Co., Ltd. | 839 |
1 |
| South China University of Technology | 1873 |
1 |
| Water Mark Technologies, Inc. | 4 |
1 |
| Other owners | 12 |