- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 46/04 - Filtres épurateurs
Détention brevets de la classe B01D 46/04
Brevets de cette classe: 301
Historique des publications depuis 10 ans
|
24
|
13
|
23
|
24
|
31
|
25
|
19
|
22
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Donaldson Company, Inc. | 1606 |
32 |
| Sintokogio, Ltd. | 1206 |
5 |
| Alstom Technology Ltd | 1039 |
4 |
| EOS GmbH Electro Optical Systems | 431 |
4 |
| Korea Institute of Energy Research | 900 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
3 |
| W. L. Gore & Associates, Inc. | 2714 |
3 |
| Dust Company, Inc. | 19 |
3 |
| Milwaukee Electric Tool Corporation | 4971 |
3 |
| Outotec Oyj | 235 |
3 |
| Schenck Process LLC | 47 |
3 |
| Seoul Viosys Co., Ltd. | 1563 |
3 |
| Taikisha Ltd. | 129 |
3 |
| Venturedyne, Ltd. | 45 |
3 |
| K&N Engineering, Inc. | 463 |
3 |
| Simatek A/S | 12 |
3 |
| Akros Trading Co. Ltd. | 5 |
3 |
| Zhejiang Hongsheng New Material Technology Group Co., Ltd | 5 |
3 |
| 3m Innovative Properties Company | 17484 |
2 |
| LG Chem, Ltd. | 17937 |
2 |
| Autres propriétaires | 209 |