- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/14 - UltrafiltrationMicrofiltration
Patent holdings for IPC class B01D 61/14
Total number of patents in this class: 2445
10-year publication summary
|
209
|
182
|
214
|
202
|
215
|
193
|
204
|
192
|
183
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7011 |
71 |
| EMD Millipore Corporation | 640 |
53 |
| BASF SE | 21134 |
29 |
| Kurita Water Industries Ltd. | 1247 |
29 |
| Sartorius Stedim Biotech GmbH | 862 |
23 |
| FUJIFILM Corporation | 30034 |
21 |
| Asahi Kasei Kabushiki Kaisha | 2742 |
20 |
| The Regents of the University of California | 20378 |
19 |
| Repligen Corporation | 293 |
19 |
| Organo Corporation | 527 |
16 |
| Smartflow Technologies, Inc. | 55 |
16 |
| Pacira Pharmaceuticals, Inc. | 118 |
14 |
| Genentech, Inc. | 4038 |
13 |
| Amgen Inc. | 4301 |
13 |
| Roquette Freres | 1039 |
13 |
| Chevron U.S.A. Inc. | 4048 |
12 |
| Veolia Water Solutions & Technologies Support | 535 |
12 |
| Glycom A/S | 249 |
12 |
| BL Technologies, Inc. | 838 |
11 |
| Daicel Corporation | 2432 |
11 |
| Other owners | 2018 |