- 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: 1798
10-year publication summary
|
141
|
167
|
128
|
158
|
141
|
124
|
135
|
99
|
126
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6974 |
139 |
| Gambro Lundia AB | 1373 |
102 |
| Asahi Kasei Kabushiki Kaisha | 2682 |
77 |
| Dow Global Technologies LLC | 10394 |
52 |
| Fresenius Medical Care Deutschland GmbH | 2171 |
41 |
| Georgia Tech Research Corporation | 2758 |
40 |
| Toyobo Co., Ltd. | 2508 |
40 |
| Asahi Kasei Medical Co., Ltd. | 265 |
37 |
| Mitsubishi Rayon Co., Ltd. | 905 |
32 |
| Kolon Industries, Inc. | 1693 |
29 |
| National University of Singapore | 2460 |
27 |
| Solventum Intellectual Properties Company | 3333 |
23 |
| Uop LLC | 4242 |
22 |
| NOK Corporation | 2223 |
22 |
| Repligen Corporation | 285 |
21 |
| BASF SE | 20961 |
18 |
| Mitsubishi Chemical Corporation | 4535 |
18 |
| 3m Innovative Properties Company | 17812 |
17 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3992 |
17 |
| Fresenius Medical Care Holdings, Inc. | 1423 |
16 |
| Other owners | 1008 |