- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/02 - Matériaux inorganiques
Détention brevets de la classe B01D 71/02
Brevets de cette classe: 3467
Historique des publications depuis 10 ans
|
283
|
262
|
262
|
283
|
265
|
258
|
218
|
258
|
242
|
135
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| NGK Insulators, Ltd. | 5236 |
259 |
| Dow Global Technologies LLC | 10944 |
84 |
| Georgia Tech Research Corporation | 2943 |
58 |
| Nitto Denko Corporation | 8536 |
50 |
| Mitsubishi Chemical Corporation | 4724 |
44 |
| Murata Manufacturing Co., Ltd. | 25744 |
37 |
| King Fahd University of Petroleum and Minerals | 1572 |
36 |
| National University of Singapore | 2583 |
36 |
| Toray Industries, Inc. | 7113 |
33 |
| Saudi Arabian Oil Company | 14235 |
31 |
| VIA Separations, Inc. | 37 |
31 |
| Centre National de La Recherche Scientifique | 11023 |
28 |
| Sumitomo Chemical Company, Limited | 9016 |
28 |
| Hitachi Zosen Corporation | 602 |
28 |
| King Abdullah University of Science and Technology | 1852 |
28 |
| Massachusetts Institute of Technology | 10251 |
24 |
| FUJIFILM Corporation | 30514 |
23 |
| Lockheed Martin Corporation | 3255 |
22 |
| Corning Incorporated | 10504 |
22 |
| Korea University Research and Business Foundation | 3266 |
22 |
| Autres propriétaires | 2543 |