- 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: 408
10-year publication summary
|
35
|
49
|
36
|
30
|
52
|
64
|
35
|
29
|
31
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ResMed Pty Ltd | 2187 |
9 |
| King Fahd University of Petroleum and Minerals | 1587 |
8 |
| Haier Smart Home Co., Ltd. | 5728 |
6 |
| Chiyoda Corporation | 427 |
5 |
| Lowcarbon Co., Ltd | 111 |
5 |
| BTU International, Inc. | 28 |
4 |
| Edwards Vacuum LLC | 186 |
4 |
| King Abdullah University of Science and Technology | 1863 |
4 |
| Midea Group Co., Ltd. | 5052 |
4 |
| Ohio University | 359 |
4 |
| Proton Power, Inc. | 31 |
4 |
| Qingdao Haier Refrigerator Co., Ltd | 1655 |
4 |
| Starklab | 20 |
4 |
| Zibo Creation of Mechanical and Electrical Technology Co., Ltd | 40 |
4 |
| CRI HF | 31 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48560 |
3 |
| Air Products and Chemicals, Inc. | 1469 |
3 |
| Ebara Corporation | 2344 |
3 |
| ESTA Apparatebau GmbH & Co. KG | 52 |
3 |
| N/C Quest, Inc. | 21 |
3 |
| Other owners | 320 |