- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 101/32 - Hydrocarbons, e.g. oil
Patent holdings for IPC class C02F 101/32
Total number of patents in this class: 1083
10-year publication summary
|
127
|
135
|
157
|
149
|
146
|
104
|
91
|
64
|
39
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
32 |
| Ecolab USA Inc. | 5190 |
16 |
| Gradiant Corporation | 123 |
14 |
| Siemens Energy, Inc. | 1770 |
12 |
| Veolia Water Solutions & Technologies Support | 547 |
12 |
| Aramco Services Company | 3504 |
11 |
| Chevron U.S.A. Inc. | 3774 |
9 |
| ENI S.p.A. | 1241 |
9 |
| Sanuwave, Inc. | 84 |
9 |
| Veolia Water Technologies, Inc. | 80 |
9 |
| OxyTec LLC | 10 |
8 |
| General Electric Company | 18133 |
7 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
7 |
| King Fahd University of Petroleum and Minerals | 779 |
7 |
| Anschutz Exploration Corporation | 10 |
6 |
| BL Technologies, Inc. | 831 |
6 |
| Cornell University | 3036 |
6 |
| SABIC Global Technologies B.V. | 4044 |
6 |
| Lummus Technology LLC | 365 |
6 |
| Baker Hughes Holdings LLC | 3060 |
6 |
| Other owners | 885 |