- 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: 1380
10-year publication summary
|
157
|
149
|
148
|
108
|
107
|
113
|
68
|
82
|
101
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13943 |
48 |
| Ecolab USA Inc. | 5722 |
29 |
| King Fahd University of Petroleum and Minerals | 1477 |
17 |
| Gradiant Corporation | 146 |
14 |
| Aramco Services Company | 4162 |
13 |
| Siemens Energy, Inc. | 1694 |
12 |
| ENI S.p.A. | 1299 |
12 |
| Veolia Water Solutions & Technologies Support | 531 |
11 |
| Sanuwave, Inc. | 71 |
10 |
| Chevron U.S.A. Inc. | 4073 |
9 |
| King Faisal University | 923 |
9 |
| OxyTec LLC | 10 |
9 |
| Veolia Water Technologies, Inc. | 81 |
9 |
| Anschutz Exploration Corporation | 11 |
8 |
| Lummus Technology LLC | 475 |
8 |
| General Electric Company | 13819 |
7 |
| Atlas Copco Airpower, naamloze vennootschap | 1066 |
7 |
| Cornell University | 3381 |
7 |
| Evoqua Water Technologies LLC | 927 |
7 |
| Baker Hughes Holdings LLC | 2983 |
7 |
| Other owners | 1127 |