- Sections
- B - Techniques industrielles; transports
- B01D - Séparation
- B01D 53/48 - Composés du soufre
Détention brevets de la classe B01D 53/48
Brevets de cette classe: 495
Historique des publications depuis 10 ans
|
38
|
37
|
54
|
48
|
30
|
22
|
28
|
27
|
27
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
28 |
| Uop LLC | 4083 |
27 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
14 |
| Research Triangle Institute | 389 |
12 |
| NOx II, Ltd. | 50 |
9 |
| ThermoChem Recovery International, Inc. | 95 |
9 |
| International Business Machines Corporation | 60644 |
6 |
| Ecolab USA Inc. | 5190 |
6 |
| Shell Oil Company | 2196 |
5 |
| China Petroleum & Chemical Corporation | 1623 |
5 |
| Fluor Technologies Corporation | 410 |
5 |
| BASF Corporation | 2039 |
4 |
| Battelle Memorial Institute | 2356 |
4 |
| Gas Technology Institute | 374 |
4 |
| Huaneng Clean Energy Research Institute | 345 |
4 |
| NexoSolutions LLC | 4 |
4 |
| Praxair Technology, Inc. | 1367 |
4 |
| Baker Hughes Holdings LLC | 3060 |
4 |
| Schlumberger Oilfield UK Limited | 57 |
4 |
| General Electric Company | 18133 |
3 |
| Autres propriétaires | 334 |