- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/04 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping pipe stills
Patent holdings for IPC class B01D 3/04
Total number of patents in this class: 50
10-year publication summary
|
0
|
6
|
3
|
4
|
4
|
7
|
1
|
3
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4244 |
4 |
| Greenblu | 5 |
4 |
| Dow Technology Investments LLC | 271 |
3 |
| Drystill Holdings Inc. | 8 |
3 |
| V-stax, LLC | 10 |
3 |
| Aquarden Technologies APS | 19 |
2 |
| Casale SA | 609 |
2 |
| IFP Energies Nouvelles | 2933 |
2 |
| XDI Holdings, LLC | 38 |
2 |
| Samsung Display Co., Ltd. | 34696 |
1 |
| Centre National de La Recherche Scientifique | 10418 |
1 |
| Alfa Laval Olmi S.p.A | 21 |
1 |
| Andritz Separation Inc. | 13 |
1 |
| AWS Group AG | 2 |
1 |
| Braeburn Systems LLC | 70 |
1 |
| Cleveland Gas Systems LLC | 3 |
1 |
| DEKA Products Limited Partnership | 1767 |
1 |
| Duerr Systems AG | 228 |
1 |
| Ecoco Co., Ltd. | 4 |
1 |
| Ecolab USA Inc. | 5480 |
1 |
| Other owners | 14 |