- 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: 2157
10-year publication summary
|
117
|
161
|
215
|
255
|
213
|
205
|
229
|
159
|
176
|
96
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4244 |
112 |
| LG Chem, Ltd. | 17620 |
88 |
| Saudi Arabian Oil Company | 13091 |
88 |
| BASF SE | 20926 |
69 |
| Sulzer Management AG | 660 |
33 |
| IFP Energies Nouvelles | 2945 |
31 |
| Dow Global Technologies LLC | 10352 |
28 |
| SABIC Global Technologies B.V. | 4335 |
25 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3976 |
24 |
| ExxonMobil Chemical Patents Inc. | 3985 |
23 |
| China Petroleum & Chemical Corporation | 1899 |
20 |
| Praxair Technology, Inc. | 1299 |
20 |
| Kellogg Brown & Root LLC | 517 |
19 |
| Linde Aktiengesellschaft | 1514 |
19 |
| ExxonMobil Research And Engineering Company | 2576 |
18 |
| Daicel Corporation | 2338 |
17 |
| Whitefox Technologies Limited | 36 |
17 |
| Aramco Services Company | 3955 |
16 |
| Covestro Deutschland AG | 2747 |
15 |
| ExxonMobil Technology and Engineering Company | 1077 |
15 |
| Other owners | 1460 |