- 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: 2368
10-year publication summary
|
136
|
209
|
182
|
214
|
202
|
214
|
192
|
202
|
191
|
135
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6974 |
72 |
| EMD Millipore Corporation | 650 |
54 |
| BASF SE | 20961 |
28 |
| Kurita Water Industries Ltd. | 1200 |
27 |
| Sartorius Stedim Biotech GmbH | 836 |
22 |
| FUJIFILM Corporation | 29506 |
21 |
| The Regents of the University of California | 20035 |
19 |
| Asahi Kasei Kabushiki Kaisha | 2682 |
19 |
| Repligen Corporation | 285 |
17 |
| Organo Corporation | 480 |
15 |
| Smartflow Technologies, Inc. | 52 |
15 |
| Pacira Pharmaceuticals, Inc. | 110 |
14 |
| Veolia Water Solutions & Technologies Support | 534 |
14 |
| Genentech, Inc. | 3988 |
13 |
| Asahi Kasei Medical Co., Ltd. | 265 |
12 |
| Glycom A/S | 251 |
12 |
| Chevron U.S.A. Inc. | 3981 |
11 |
| BL Technologies, Inc. | 836 |
11 |
| Roquette Freres | 1032 |
11 |
| Amgen Inc. | 4097 |
10 |
| Other owners | 1951 |