- 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: 1659
10-year publication summary
|
137
|
154
|
178
|
142
|
168
|
154
|
120
|
144
|
97
|
45
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
124 |
| Gambro Lundia AB | 1383 |
96 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
67 |
| Dow Global Technologies LLC | 10147 |
42 |
| Georgia Tech Research Corporation | 2453 |
42 |
| Asahi Kasei Medical Co., Ltd. | 308 |
42 |
| Fresenius Medical Care Deutschland GmbH | 2100 |
39 |
| Toyobo Co., Ltd. | 2286 |
38 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
32 |
| Kolon Industries, Inc. | 1506 |
29 |
| National University of Singapore | 2228 |
26 |
| Uop LLC | 4083 |
22 |
| Solventum Intellectual Properties Company | 2681 |
21 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
19 |
| Repligen Corporation | 258 |
19 |
| NOK Corporation | 2108 |
18 |
| BASF SE | 19740 |
17 |
| 3m Innovative Properties Company | 18406 |
16 |
| Mitsubishi Chemical Corporation | 4313 |
16 |
| Kureha Corporation | 1026 |
16 |
| Other owners | 918 |