- All sections
- B - Performing operations; transporting
- B03C - Magnetic or electrostatic separation of solid materials from solid materials or fluids; separation by high-voltage electric fields
- B03C 3/155 - Filtration
Patent holdings for IPC class B03C 3/155
Total number of patents in this class: 185
10-year publication summary
12
|
18
|
21
|
18
|
14
|
19
|
13
|
27
|
15
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Environmental Management Confederation, Inc. | 55 |
8 |
BSH Hausgeräte GmbH | 5384 |
7 |
LG Electronics Inc. | 69257 |
5 |
Blueair AB | 102 |
5 |
Daikin Industries, Ltd. | 9495 |
4 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
Carrier Corporation | 4759 |
4 |
Global Plasma Solutions, Inc. | 68 |
4 |
Samsung Electronics Co., Ltd. | 131630 |
3 |
Mitsubishi Electric Corporation | 43934 |
3 |
Americair Corporation | 17 |
3 |
University of Washington through its Center for Commercialization | 498 |
3 |
Lifa Air Ltd. | 3 |
3 |
Hengst SE | 126 |
3 |
Van Wees Innovations B.V. | 4 |
3 |
Healthway Home Products Company Inc. | 14 |
3 |
International Business Machines Corporation | 60644 |
2 |
Tokyo Electron Limited | 11599 |
2 |
Cymer, LLC | 347 |
2 |
Crystaphase Products, Inc. | 54 |
2 |
Other owners | 112 |