- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 39/04 - Substance organique, p. ex. cellulose, coton
Détention brevets de la classe B01D 39/04
Brevets de cette classe: 147
Historique des publications depuis 10 ans
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18
|
12
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20
|
17
|
20
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13
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12
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11
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7
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5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Hollingsworth & Vose Company | 290 |
5 |
| The Boeing Company | 20013 |
4 |
| Donaldson Company, Inc. | 1598 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
4 |
| 3m Innovative Properties Company | 17849 |
3 |
| Eastman Chemical Company | 2254 |
3 |
| Excel Corporate Holdings Limited | 5 |
3 |
| International Business Machines Corporation | 61023 |
2 |
| EMD Millipore Corporation | 647 |
2 |
| Board of Regents, The University of Texas System | 5751 |
2 |
| Toray Industries, Inc. | 6891 |
2 |
| Conwed Plastics Acquisition Company V LLC | 3 |
2 |
| HYDAC Filter Systems GmbH | 34 |
2 |
| Indufil B.V. | 14 |
2 |
| Ishigaki Company Limited | 47 |
2 |
| MANN+HUMMEL GmbH | 1751 |
2 |
| The University of Akron | 652 |
2 |
| Patel, Dipen M | 5 |
2 |
| Patel, Rupal D | 5 |
2 |
| Biosorbe AB | 8 |
2 |
| Autres propriétaires | 95 |