- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 29/31 - Éléments filtrants autoportants
Détention brevets de la classe B01D 29/31
Brevets de cette classe: 113
Historique des publications depuis 10 ans
|
12
|
13
|
20
|
20
|
11
|
10
|
9
|
13
|
13
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Caterpillar Inc. | 10010 |
6 |
| Donaldson Company, Inc. | 1588 |
5 |
| KX Technologies LLC | 152 |
4 |
| MANN+HUMMEL GmbH | 1793 |
4 |
| Marin Scientific Development Company | 7 |
4 |
| Murata Manufacturing Co., Ltd. | 25261 |
3 |
| Brita LP | 98 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 758 |
2 |
| Filtration Technology Corporation | 48 |
2 |
| King Technology, Inc. | 283 |
2 |
| The Metraflex Company | 50 |
2 |
| Porex Corporation | 91 |
2 |
| UNGER Marketing International, LLC | 341 |
2 |
| Yamashin-filter Corp. | 130 |
2 |
| Zodiac Pool Systems LLC | 403 |
2 |
| C.C. Jensen A/S | 50 |
2 |
| Feltrim Pastoral Company Pty Ltd | 4 |
2 |
| The Procter & Gamble Company | 21973 |
1 |
| Samsung Electronics Co., Ltd. | 151726 |
1 |
| Illinois Tool Works Inc. | 11662 |
1 |
| Autres propriétaires | 61 |