- 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: 2535
10-year publication summary
|
218
|
192
|
229
|
227
|
227
|
203
|
221
|
209
|
200
|
105
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7111 |
75 |
| EMD Millipore Corporation | 631 |
50 |
| BASF SE | 21308 |
30 |
| Kurita Water Industries Ltd. | 1283 |
28 |
| Sartorius Stedim Biotech GmbH | 875 |
25 |
| FUJIFILM Corporation | 30516 |
21 |
| Repligen Corporation | 297 |
21 |
| The Regents of the University of California | 20778 |
20 |
| Asahi Kasei Kabushiki Kaisha | 2834 |
20 |
| Organo Corporation | 537 |
17 |
| Smartflow Technologies, Inc. | 57 |
16 |
| Genentech, Inc. | 4110 |
14 |
| Pacira Pharmaceuticals, Inc. | 120 |
14 |
| Amgen Inc. | 4429 |
13 |
| Roquette Freres | 1054 |
13 |
| Chevron U.S.A. Inc. | 4136 |
12 |
| Glycom A/S | 246 |
12 |
| BL Technologies, Inc. | 842 |
11 |
| Daicel Corporation | 2526 |
11 |
| E. & J. Gallo Winery | 1961 |
11 |
| Other owners | 2101 |