- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 53/52 - Sulfure d'hydrogène
Détention brevets de la classe B01D 53/52
Brevets de cette classe: 1165
Historique des publications depuis 10 ans
|
94
|
113
|
88
|
87
|
69
|
46
|
66
|
77
|
68
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9115 |
54 |
| Saudi Arabian Oil Company | 14207 |
53 |
| The Kansai Electric Power Co., Inc. | 125 |
22 |
| IFP Energies Nouvelles | 3095 |
20 |
| Aramco Services Company | 4188 |
19 |
| Ecolab USA Inc. | 5792 |
19 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
16 |
| Uop LLC | 4393 |
15 |
| Streamline Innovations, Inc. | 65 |
15 |
| King Fahd University of Petroleum and Minerals | 1569 |
14 |
| ExxonMobil Research And Engineering Company | 2425 |
12 |
| BASF SE | 21303 |
11 |
| Air Products and Chemicals, Inc. | 1469 |
11 |
| Evoqua Water Technologies LLC | 931 |
11 |
| ExxonMobil Upstream Research Company | 2306 |
11 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 194 |
11 |
| Dow Global Technologies LLC | 10930 |
10 |
| Chevron U.S.A. Inc. | 4134 |
9 |
| Commonwealth Scientific and Industrial Research Organisation | 1654 |
9 |
| Dorf Ketal Chemicals (India) Private Limited | 71 |
9 |
| Autres propriétaires | 814 |