- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/24 - Fractionating columns in which vapour bubbles through liquid with sloping plates or elements mounted stepwise
Patent holdings for IPC class B01D 3/24
Total number of patents in this class: 36
10-year publication summary
|
1
|
4
|
2
|
3
|
1
|
2
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Neste Oyj | 801 |
3 |
| Sulzer Chemtech AG | 63 |
3 |
| Uop LLC | 4400 |
2 |
| Dow Global Technologies LLC | 10916 |
2 |
| Covestro Deutschland AG | 2830 |
2 |
| IFP Energies Nouvelles | 3094 |
2 |
| Sulzer Management AG | 711 |
2 |
| China Petroleum & Chemical Corporation | 2140 |
1 |
| GTC Technology US LLC | 34 |
1 |
| Innovation in Sciences & Technologies S.r.l. | 3 |
1 |
| JGC Corporation | 46 |
1 |
| JNC Corporation | 1546 |
1 |
| Linde Aktiengesellschaft | 1428 |
1 |
| Paolo Tripodi | 2 |
1 |
| Prosernat | 10 |
1 |
| Resolution Chemicals Limited | 7 |
1 |
| Solvay Specialty Polymers Italy S.p.A. | 656 |
1 |
| Spanto, Giuseppe | 3 |
1 |
| Total SA | 477 |
1 |
| Plastic Energy Limited | 44 |
1 |
| Other owners | 7 |