- 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: 807
10-year publication summary
|
67
|
91
|
73
|
81
|
79
|
59
|
54
|
39
|
37
|
44
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13686 |
45 |
| Ecolab USA Inc. | 5601 |
24 |
| Veolia Water Solutions & Technologies Support | 534 |
16 |
| Zymeflow, Inc. | 42 |
15 |
| TriStar Global Energy Solutions, Inc. | 30 |
13 |
| Lummus Technology LLC | 459 |
13 |
| Cr3 Zymeflow, Inc. | 30 |
13 |
| BASF SE | 21098 |
12 |
| Siemens Energy, Inc. | 1703 |
12 |
| Aramco Services Company | 4099 |
12 |
| BL Technologies, Inc. | 839 |
9 |
| SABIC Global Technologies B.V. | 4405 |
9 |
| General Electric Company | 13830 |
8 |
| Chevron U.S.A. Inc. | 4020 |
8 |
| Kemira Oyj | 1227 |
8 |
| ENI S.p.A. | 1280 |
7 |
| King Abdulaziz University | 512 |
7 |
| The Texas a & M University System | 1782 |
7 |
| Veolia Water Technologies, Inc. | 80 |
6 |
| Gaps Technology, LLC | 42 |
6 |
| Other owners | 557 |