- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 69/08 - Hollow fibre membranes
Patent holdings for IPC class B01D 69/08
Total number of patents in this class: 1897
10-year publication summary
|
178
|
142
|
169
|
154
|
125
|
148
|
101
|
138
|
114
|
71
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7113 |
145 |
| Gambro Lundia AB | 1389 |
101 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
81 |
| Dow Global Technologies LLC | 10944 |
59 |
| Fresenius Medical Care Deutschland GmbH | 2236 |
44 |
| Georgia Tech Research Corporation | 2943 |
41 |
| Toyobo Co., Ltd. | 2535 |
37 |
| Kolon Industries, Inc. | 1844 |
36 |
| Mitsubishi Rayon Co., Ltd. | 855 |
32 |
| Asahi Kasei Medical Co., Ltd. | 232 |
29 |
| National University of Singapore | 2583 |
28 |
| Solventum Intellectual Properties Company | 3415 |
26 |
| NOK Corporation | 2299 |
24 |
| Uop LLC | 4393 |
22 |
| Repligen Corporation | 297 |
21 |
| BASF SE | 21303 |
19 |
| Mitsubishi Chemical Corporation | 4724 |
18 |
| Fresenius Medical Care Holdings, Inc. | 1426 |
18 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
18 |
| 3m Innovative Properties Company | 17478 |
17 |
| Other owners | 1081 |