- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/46 - Apparatus therefor
Patent holdings for IPC class B01D 61/46
Total number of patents in this class: 597
10-year publication summary
|
26
|
28
|
34
|
34
|
37
|
41
|
53
|
61
|
74
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 930 |
27 |
| POSCO Holdings Inc. | 678 |
16 |
| FUJIFILM Corporation | 30514 |
15 |
| Mangrove Water Technologies Ltd. | 36 |
15 |
| Massachusetts Institute of Technology | 10251 |
12 |
| Dionex Corporation | 339 |
12 |
| Kurita Water Industries Ltd. | 1283 |
12 |
| BL Technologies, Inc. | 843 |
10 |
| FUJIFILM Manufacturing Europe B.V. | 221 |
10 |
| Texopco LLC | 42 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
9 |
| Board of Regents, The University of Texas System | 6107 |
9 |
| Astom Corporation | 37 |
9 |
| Organo Corporation | 537 |
9 |
| Evoqua Water Technologies Pte. Ltd. | 26 |
9 |
| Vantive Health GmbH | 312 |
9 |
| Samsung Electronics Co., Ltd. | 157719 |
8 |
| Hirosaki University | 154 |
8 |
| Xerox Corporation | 4391 |
7 |
| Genesee Valley Innovations, LLC | 2187 |
7 |
| Other owners | 374 |