- All sections
- C - Chemistrymetallurgy
- 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: 1255
10-year publication summary
|
136
|
157
|
149
|
148
|
107
|
104
|
100
|
55
|
72
|
62
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12997 |
39 |
| Ecolab USA Inc. | 5471 |
25 |
| Gradiant Corporation | 129 |
14 |
| Siemens Energy, Inc. | 1689 |
12 |
| Aramco Services Company | 3936 |
12 |
| ENI S.p.A. | 1256 |
11 |
| Veolia Water Solutions & Technologies Support | 534 |
11 |
| Sanuwave, Inc. | 91 |
10 |
| Chevron U.S.A. Inc. | 3945 |
9 |
| King Faisal University | 908 |
9 |
| OxyTec LLC | 10 |
9 |
| Veolia Water Technologies, Inc. | 77 |
9 |
| Anschutz Exploration Corporation | 11 |
8 |
| Lummus Technology LLC | 439 |
8 |
| General Electric Company | 13811 |
7 |
| Atlas Copco Airpower, naamloze vennootschap | 1026 |
7 |
| Cornell University | 3297 |
7 |
| King Fahd University of Petroleum and Minerals | 1170 |
7 |
| Baker Hughes Holdings LLC | 3004 |
7 |
| Halliburton Energy Services, Inc. | 20862 |
6 |
| Other owners | 1028 |