- All sections
- B - Performing operationstransporting
- B03C - Magnetic or electrostatic separation of solid materials from solid materials or fluidsseparation by high-voltage electric fields
- B03C 3/74 - Cleaning the electrodes
Patent holdings for IPC class B03C 3/74
Total number of patents in this class: 132
10-year publication summary
|
6
|
9
|
9
|
11
|
5
|
9
|
11
|
5
|
13
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Plasma Solutions, Inc. | 75 |
14 |
| Illinois Tool Works Inc. | 11866 |
4 |
| Mitsubishi Electric Corporation | 48048 |
4 |
| Fuji Electric Co., Ltd. | 5488 |
4 |
| Edwards Limited | 773 |
4 |
| Tessera, Inc. | 132 |
4 |
| SK Hynix Inc. | 12506 |
3 |
| University of Washington through its Center for Commercialization | 505 |
3 |
| Samsung Electronics Co., Ltd. | 157946 |
2 |
| 3m Innovative Properties Company | 17481 |
2 |
| Koninklijke Philips N.V. | 25873 |
2 |
| Alstom Technology Ltd | 1040 |
2 |
| Buffalo Filter LLC | 105 |
2 |
| Cambridge International, Inc. | 99 |
2 |
| Current Ways, Inc. | 15 |
2 |
| Meister Environment Technology Ltd. | 2 |
2 |
| WOCO Industrietechnik GmbH | 75 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 1219 |
2 |
| Shenzhen Shenyaneng Environmental Protection Technologies Co., Ltd. | 2 |
2 |
| School Judicial person Ikutoku Gakuen | 21 |
2 |
| Other owners | 68 |