- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 3/42 - RégulationCommande
Détention brevets de la classe B01D 3/42
Brevets de cette classe: 529
Historique des publications depuis 10 ans
|
24
|
48
|
47
|
46
|
46
|
52
|
53
|
38
|
36
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| DEKA Products Limited Partnership | 1798 |
23 |
| LG Chem, Ltd. | 17682 |
21 |
| Uop LLC | 4255 |
19 |
| Saudi Arabian Oil Company | 13569 |
14 |
| Covestro Deutschland AG | 2784 |
11 |
| BASF SE | 21080 |
9 |
| 77 Vision Way Ltd | 22 |
8 |
| Dow Technology Investments LLC | 273 |
6 |
| Celanese International Corporation | 915 |
6 |
| Daicel Corporation | 2398 |
5 |
| ExxonMobil Upstream Research Company | 2382 |
5 |
| IFP Energies Nouvelles | 2969 |
5 |
| Toyo Engineering Corporation | 146 |
5 |
| Hans Heidolph GmbH | 65 |
5 |
| ExxonMobil Chemical Patents Inc. | 3958 |
4 |
| Beijing Normal University | 99 |
4 |
| Gradiant Corporation | 138 |
4 |
| IKA-Werke GmbH & Co. KG | 167 |
4 |
| INEOS Europe AG | 206 |
4 |
| Koch-Glitsch, LP | 197 |
4 |
| Autres propriétaires | 363 |