- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/54 - Controlling or regulating
Patent holdings for IPC class B01D 61/54
Total number of patents in this class: 144
10-year publication summary
|
8
|
6
|
9
|
9
|
8
|
16
|
13
|
19
|
12
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1211 |
16 |
| Evoqua Water Technologies LLC | 919 |
10 |
| Massachusetts Institute of Technology | 10121 |
7 |
| Organo Corporation | 493 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8823 |
6 |
| Ionic Solutions Ltd. | 24 |
5 |
| NxStage Medical, Inc. | 294 |
5 |
| Coway Co., Ltd. | 738 |
4 |
| Kemflo International Co., Ltd. | 21 |
4 |
| Kemflo (Nanjing) Environmental Technology Co., Ltd. | 24 |
4 |
| Xerox Corporation | 6982 |
3 |
| Saltworks Technologies Inc. | 95 |
3 |
| Samsung Electronics Co., Ltd. | 148077 |
2 |
| Monsanto Technology LLC | 8290 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
2 |
| Fresenius Medical Care Deutschland GmbH | 2178 |
2 |
| FUJIFILM Manufacturing Europe B.V. | 259 |
2 |
| Gas Technology Institute | 347 |
2 |
| Evoqua Water Technologies Pte. Ltd. | 26 |
2 |
| Ionic Solutions Ltd. | 3 |
2 |
| Other owners | 54 |