- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/18 - Nature of the water, waste water, sewage or sludge to be treated from the wet purification of gaseous effluents
Patent holdings for IPC class C02F 103/18
Total number of patents in this class: 291
10-year publication summary
|
31
|
33
|
45
|
37
|
25
|
31
|
13
|
11
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12404 |
23 |
| The Texas a & M University System | 1591 |
9 |
| Ecolab USA Inc. | 5336 |
8 |
| Mitsubishi Power, Ltd. | 1732 |
7 |
| BL Technologies, Inc. | 844 |
6 |
| General Electric Company | 17803 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
5 |
| Alfa Laval Corporate AB | 1305 |
5 |
| General Electric Technology GmbH | 1602 |
5 |
| Linde Aktiengesellschaft | 1551 |
5 |
| Gaps Technology, LLC | 35 |
5 |
| Bill Archer LLC | 6 |
5 |
| Seatrium Eco Technology Pte. Ltd. | 9 |
5 |
| Solvay SA | 1027 |
4 |
| Heartland Water Technology, Inc. | 31 |
4 |
| Alstom Technology Ltd | 1146 |
3 |
| Air Products and Chemicals, Inc. | 1426 |
3 |
| ArcelorMittal | 2052 |
3 |
| Evoqua Water Technologies LLC | 905 |
3 |
| Kurita Water Industries Ltd. | 1150 |
3 |
| Other owners | 175 |