- Sections
- B - Techniques industrielles; transports
- B01D - Séparation
- B01D 53/52 - Sulfure d'hydrogène
Détention brevets de la classe B01D 53/52
Brevets de cette classe: 1023
Historique des publications depuis 10 ans
|
80
|
75
|
94
|
113
|
88
|
87
|
69
|
44
|
58
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
52 |
| Saudi Arabian Oil Company | 11322 |
46 |
| Ecolab USA Inc. | 5190 |
20 |
| IFP Energies Nouvelles | 2717 |
20 |
| The Kansai Electric Power Co., Inc. | 155 |
20 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
17 |
| Aramco Services Company | 3504 |
16 |
| ExxonMobil Research And Engineering Company | 2830 |
14 |
| Uop LLC | 4083 |
14 |
| BASF SE | 19740 |
12 |
| ExxonMobil Upstream Research Company | 2525 |
12 |
| Dow Global Technologies LLC | 10147 |
11 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 207 |
11 |
| Evoqua Water Technologies LLC | 904 |
10 |
| Fluor Technologies Corporation | 410 |
10 |
| Dorf Ketal Chemicals (India) Private Limited | 81 |
9 |
| ENI S.p.A. | 1241 |
9 |
| Baker Hughes Holdings LLC | 3060 |
9 |
| Shell Oil Company | 2196 |
8 |
| Chevron U.S.A. Inc. | 3774 |
8 |
| Autres propriétaires | 695 |