- 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
|
2
|
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 | 790 |
3 |
| Sulzer Chemtech AG | 64 |
3 |
| Uop LLC | 4275 |
2 |
| Dow Global Technologies LLC | 10707 |
2 |
| Covestro Deutschland AG | 2795 |
2 |
| IFP Energies Nouvelles | 3006 |
2 |
| Sulzer Management AG | 689 |
2 |
| China Petroleum & Chemical Corporation | 2002 |
1 |
| GTC Technology US LLC | 34 |
1 |
| Innovation in Sciences & Technologies S.r.l. | 3 |
1 |
| JGC Corporation | 45 |
1 |
| JNC Corporation | 1517 |
1 |
| Linde Aktiengesellschaft | 1458 |
1 |
| Paolo Tripodi | 2 |
1 |
| Prosernat | 10 |
1 |
| Resolution Chemicals Limited | 7 |
1 |
| Solvay Specialty Polymers Italy S.p.A. | 666 |
1 |
| Spanto, Giuseppe | 3 |
1 |
| Total SA | 481 |
1 |
| Plastic Energy Limited | 43 |
1 |
| Other owners | 7 |