- Sections
- B - Techniques industrielles; transports
- B01D - Séparation
- B01D 29/31 - Eléments filtrants autoportants
Détention brevets de la classe B01D 29/31
Brevets de cette classe: 106
Historique des publications depuis 10 ans
|
9
|
12
|
14
|
20
|
20
|
11
|
10
|
9
|
13
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Donaldson Company, Inc. | 1576 |
7 |
| Caterpillar Inc. | 9158 |
6 |
| KX Technologies LLC | 160 |
4 |
| MANN+HUMMEL GmbH | 1726 |
4 |
| Murata Manufacturing Co., Ltd. | 23680 |
3 |
| Marin Scientific Development Company | 6 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
2 |
| Brita LP | 100 |
2 |
| Filtration Technology Corporation | 47 |
2 |
| King Technology, Inc. | 257 |
2 |
| The Metraflex Company | 48 |
2 |
| Porex Corporation | 93 |
2 |
| UNGER Marketing International, LLC | 313 |
2 |
| Yamashin-filter Corp. | 127 |
2 |
| Zodiac Pool Systems LLC | 359 |
2 |
| C.C. Jensen A/S | 48 |
2 |
| Feltrim Pastoral Company Pty Ltd | 5 |
2 |
| The Procter & Gamble Company | 22151 |
1 |
| Illinois Tool Works Inc. | 11386 |
1 |
| Sharp Corporation | 10193 |
1 |
| Autres propriétaires | 54 |