- All sections
- B - Performing operations; transporting
- 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: 373
10-year publication summary
25
|
24
|
35
|
49
|
36
|
30
|
51
|
62
|
31
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
King Fahd University of Petroleum and Minerals | 779 |
7 |
ResMed Pty Ltd | 1995 |
7 |
Chiyoda Corporation | 363 |
5 |
Daewoo Electronics Corporation | 167 |
5 |
Haier Smart Home Co., Ltd. | 4882 |
5 |
Edwards Vacuum LLC | 155 |
4 |
King Abdullah University of Science and Technology | 1703 |
4 |
Midea Group Co., Ltd. | 4025 |
4 |
Ohio University | 375 |
4 |
Proton Power, Inc. | 31 |
4 |
Starklab | 20 |
4 |
Zibo Creation of Mechanical and Electrical Technology Co., Ltd | 40 |
4 |
Lowcarbon Co., Ltd | 79 |
4 |
Air Products and Chemicals, Inc. | 1448 |
3 |
CRI ehf | 12 |
3 |
N/C Quest, Inc. | 24 |
3 |
Pacific Green Technologies Inc. | 11 |
3 |
Qingdao Haier Refrigerator Co., Ltd | 1378 |
3 |
Schubert Environmental Equipment, Inc. | 6 |
3 |
Valli Zabban S.p.A. | 3 |
3 |
Other owners | 291 |