- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/20 - Bubble capsRisers for vapourDischarge pipes for liquid
Patent holdings for IPC class B01D 3/20
Total number of patents in this class: 165
10-year publication summary
|
18
|
13
|
12
|
8
|
9
|
14
|
5
|
4
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20777 |
13 |
| IFP Energies Nouvelles | 2893 |
13 |
| Sulzer Management AG | 658 |
10 |
| Uop LLC | 4209 |
7 |
| Koch-Glitsch, LP | 196 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
6 |
| Dow Technology Investments LLC | 272 |
6 |
| Shell Oil Company | 2141 |
5 |
| Linde Aktiengesellschaft | 1522 |
5 |
| Massachusetts Institute of Technology | 10013 |
4 |
| Casale SA | 605 |
4 |
| ExxonMobil Upstream Research Company | 2411 |
4 |
| Sulzer Chemtech AG | 65 |
4 |
| Shell USA, Inc. | 1190 |
4 |
| Argonide Corporation | 15 |
3 |
| King Fahd University of Petroleum and Minerals | 1145 |
3 |
| Praxair Technology, Inc. | 1311 |
3 |
| Statoil Petroleum AS | 520 |
3 |
| Total SA | 495 |
3 |
| AMT International, Inc. | 46 |
2 |
| Other owners | 56 |