- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/14 - Fractional distillation
Patent holdings for IPC class B01D 3/14
Total number of patents in this class: 2210
10-year publication summary
|
114
|
152
|
208
|
234
|
200
|
198
|
220
|
156
|
178
|
155
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4259 |
115 |
| LG Chem, Ltd. | 17706 |
90 |
| Saudi Arabian Oil Company | 13686 |
90 |
| BASF SE | 21098 |
68 |
| Sulzer Management AG | 685 |
35 |
| IFP Energies Nouvelles | 2983 |
31 |
| Dow Global Technologies LLC | 10571 |
28 |
| SABIC Global Technologies B.V. | 4405 |
26 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4000 |
25 |
| ExxonMobil Chemical Patents Inc. | 3942 |
22 |
| China Petroleum & Chemical Corporation | 1955 |
21 |
| Praxair Technology, Inc. | 1272 |
20 |
| Kellogg Brown & Root LLC | 516 |
19 |
| Linde Aktiengesellschaft | 1483 |
19 |
| ExxonMobil Research And Engineering Company | 2537 |
18 |
| Daicel Corporation | 2411 |
17 |
| Aramco Services Company | 4099 |
16 |
| Whitefox Technologies Limited | 35 |
16 |
| Covestro Deutschland AG | 2790 |
15 |
| ExxonMobil Technology and Engineering Company | 1176 |
15 |
| Other owners | 1504 |