- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
Patent holdings for IPC class C02F 103/36
Total number of patents in this class: 829
10-year publication summary
|
91
|
73
|
81
|
79
|
59
|
55
|
46
|
41
|
46
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13949 |
49 |
| Ecolab USA Inc. | 5745 |
24 |
| Veolia Water Solutions & Technologies Support | 533 |
16 |
| Zymeflow, Inc. | 45 |
15 |
| BASF SE | 21151 |
13 |
| TriStar Global Energy Solutions, Inc. | 29 |
13 |
| Lummus Technology LLC | 475 |
13 |
| Cr3 Zymeflow, Inc. | 29 |
13 |
| Siemens Energy, Inc. | 1693 |
12 |
| Aramco Services Company | 4162 |
12 |
| Kemira Oyj | 1241 |
10 |
| SABIC Global Technologies B.V. | 4498 |
10 |
| BL Technologies, Inc. | 837 |
9 |
| General Electric Company | 13816 |
8 |
| Chevron U.S.A. Inc. | 4103 |
8 |
| ENI S.p.A. | 1296 |
7 |
| Indian Oil Corporation Limited | 337 |
7 |
| King Abdulaziz University | 520 |
7 |
| The Texas a & M University System | 1848 |
7 |
| King Fahd University of Petroleum and Minerals | 1506 |
6 |
| Other owners | 570 |