- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 47/04 - Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour through foam
Patent holdings for IPC class B01D 47/04
Total number of patents in this class: 14
10-year publication summary
|
5
|
3
|
3
|
1
|
1
|
1
|
1
|
0
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chiyoda Corporation | 400 |
2 |
| Yorkool Engineering (jiang Su) Co., Ltd | 3 |
2 |
| Peletex, Inc. | 1 |
1 |
| The University of Queensland | 662 |
1 |
| Biomecca.inc | 1 |
1 |
| Bososhatai Yugen Kaisha | 1 |
1 |
| Desenvolupament Innovacio I Recerca Aplicada, S.L. | 1 |
1 |
| SPIC Yuanda Environmental Protection Engineering Co., Ltd. Chongqing Science & Technology Branch | 1 |
1 |
| Galiboff Plastik Kompozit Ekstruzyon Teknolojileri Ltd. Şti. | 5 |
1 |
| Ueno Shouten Co., Ltd. | 1 |
1 |
| Shandong Fangda Engineering Co., Ltd | 5 |
1 |
| Wasabi Innovations Ltd. | 1 |
1 |
| Other owners | 0 |