- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 47/02 - Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
Patent holdings for IPC class B01D 47/02
Total number of patents in this class: 390
10-year publication summary
|
24
|
35
|
49
|
36
|
30
|
51
|
64
|
34
|
27
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ResMed Pty Ltd | 2091 |
8 |
| King Fahd University of Petroleum and Minerals | 1149 |
7 |
| Chiyoda Corporation | 396 |
5 |
| Haier Smart Home Co., Ltd. | 5428 |
5 |
| Lowcarbon Co., Ltd | 98 |
5 |
| Edwards Vacuum LLC | 174 |
4 |
| King Abdullah University of Science and Technology | 1768 |
4 |
| Midea Group Co., Ltd. | 4489 |
4 |
| Ohio University | 369 |
4 |
| Proton Power, Inc. | 31 |
4 |
| Starklab | 20 |
4 |
| Zibo Creation of Mechanical and Electrical Technology Co., Ltd | 40 |
4 |
| CRI HF | 25 |
4 |
| Air Products and Chemicals, Inc. | 1404 |
3 |
| Ebara Corporation | 2148 |
3 |
| N/C Quest, Inc. | 23 |
3 |
| Pacific Green Technologies Inc. | 10 |
3 |
| Qingdao Haier Refrigerator Co., Ltd | 1562 |
3 |
| Schubert Environmental Equipment, Inc. | 6 |
3 |
| Dawon e & a Co., Ltd. | 5 |
3 |
| Other owners | 307 |