- 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: 1851
10-year publication summary
|
167
|
128
|
159
|
141
|
124
|
135
|
99
|
126
|
109
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7023 |
141 |
| Gambro Lundia AB | 1355 |
102 |
| Asahi Kasei Kabushiki Kaisha | 2753 |
80 |
| Dow Global Technologies LLC | 10742 |
59 |
| Fresenius Medical Care Deutschland GmbH | 2216 |
41 |
| Georgia Tech Research Corporation | 2893 |
40 |
| Toyobo Co., Ltd. | 2497 |
36 |
| Kolon Industries, Inc. | 1753 |
34 |
| Mitsubishi Rayon Co., Ltd. | 875 |
32 |
| Asahi Kasei Medical Co., Ltd. | 234 |
29 |
| National University of Singapore | 2553 |
28 |
| Solventum Intellectual Properties Company | 3374 |
26 |
| NOK Corporation | 2270 |
23 |
| Uop LLC | 4289 |
22 |
| Repligen Corporation | 293 |
20 |
| BASF SE | 21131 |
18 |
| Mitsubishi Chemical Corporation | 4688 |
18 |
| Fresenius Medical Care Holdings, Inc. | 1430 |
18 |
| 3m Innovative Properties Company | 17576 |
17 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4045 |
17 |
| Other owners | 1050 |