- Sections
- B - Techniques industrielles; transports
- B01D - Séparation
- B01D 21/30 - Dispositifs de commande
Détention brevets de la classe B01D 21/30
Brevets de cette classe: 403
Historique des publications depuis 10 ans
|
29
|
37
|
39
|
36
|
40
|
48
|
39
|
33
|
22
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Kurita Water Industries Ltd. | 1110 |
23 |
| Estar Technologies Ltd | 18 |
6 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
6 |
| Enercorp Engineered Solutions Inc. | 40 |
6 |
| Batfer Investment S.A. | 28 |
6 |
| Stryker Corporation | 3864 |
5 |
| Kubota Corporation | 3054 |
5 |
| Liberty Evans, LLC | 11 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| SunCor Energy Inc. | 838 |
5 |
| United Conveyor Corporation | 41 |
5 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
5 |
| Snorkels IP, LLC | 5 |
5 |
| Evoqua Water Technologies LLC | 904 |
4 |
| FMC Technologies, Inc. | 603 |
4 |
| Jentek Water Treatment, Inc. | 5 |
4 |
| Metawater Co., Ltd. | 181 |
4 |
| Toshiba Infrastructure Systems & Solutions Corporation | 957 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Baxter International Inc. | 2425 |
3 |
| Autres propriétaires | 290 |