- All sections
- B - Performing operationstransporting
- B03C - Magnetic or electrostatic separation of solid materials from solid materials or fluidsseparation by high-voltage electric fields
- B03C 3/155 - Filtration
Patent holdings for IPC class B03C 3/155
Total number of patents in this class: 198
10-year publication summary
|
18
|
21
|
18
|
14
|
19
|
13
|
28
|
16
|
17
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Environmental Management Confederation, Inc. | 58 |
8 |
| BSH Hausgeräte GmbH | 5461 |
7 |
| MAHLE International GmbH | 2703 |
6 |
| LG Electronics Inc. | 71074 |
5 |
| Carrier Corporation | 4451 |
5 |
| Blueair AB | 109 |
5 |
| Samsung Electronics Co., Ltd. | 139302 |
4 |
| Mitsubishi Electric Corporation | 44904 |
4 |
| Daikin Industries, Ltd. | 9851 |
4 |
| Global Plasma Solutions, Inc. | 75 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10693 |
3 |
| Americair Corporation | 17 |
3 |
| Karlsruher Institut fuer Technologie | 120 |
3 |
| University of Washington through its Center for Commercialization | 509 |
3 |
| K&N Engineering, Inc. | 411 |
3 |
| Lifa Air Ltd. | 3 |
3 |
| Hengst SE | 135 |
3 |
| Healthway Home Products Company Inc. | 15 |
3 |
| International Business Machines Corporation | 60178 |
2 |
| Tokyo Electron Limited | 12127 |
2 |
| Other owners | 118 |