- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 69/08 - Hollow fibre membranes
Patent holdings for IPC class B01D 69/08
Total number of patents in this class: 1722
10-year publication summary
|
154
|
178
|
142
|
168
|
154
|
123
|
145
|
99
|
129
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6843 |
135 |
| Gambro Lundia AB | 1368 |
97 |
| Asahi Kasei Kabushiki Kaisha | 2555 |
74 |
| Dow Global Technologies LLC | 10139 |
48 |
| Asahi Kasei Medical Co., Ltd. | 300 |
43 |
| Georgia Tech Research Corporation | 2598 |
41 |
| Fresenius Medical Care Deutschland GmbH | 2122 |
41 |
| Toyobo Co., Ltd. | 2415 |
39 |
| Mitsubishi Rayon Co., Ltd. | 949 |
32 |
| Kolon Industries, Inc. | 1583 |
27 |
| National University of Singapore | 2359 |
27 |
| Solventum Intellectual Properties Company | 3307 |
23 |
| Uop LLC | 4187 |
22 |
| NOK Corporation | 2161 |
21 |
| Repligen Corporation | 259 |
20 |
| BASF SE | 20367 |
18 |
| 3m Innovative Properties Company | 17968 |
17 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3581 |
17 |
| Mitsubishi Chemical Corporation | 4430 |
16 |
| Fresenius Medical Care Holdings, Inc. | 1391 |
15 |
| Other owners | 949 |