- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/32 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by electrical effects other than those provided for in group
Patent holdings for IPC class B01D 53/32
Total number of patents in this class: 1079
10-year publication summary
|
64
|
73
|
100
|
76
|
83
|
93
|
118
|
117
|
145
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 9795 |
26 |
| Denso Corporation | 23338 |
24 |
| Hamilton Sundstrand Corporation | 4525 |
22 |
| Edwards Limited | 764 |
21 |
| Haier Smart Home Co., Ltd. | 4882 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
16 |
| Qingdao Haier Refrigerator Co., Ltd | 1378 |
16 |
| Applied Materials, Inc. | 16587 |
14 |
| ThermoChem Recovery International, Inc. | 95 |
12 |
| Xyleco, Inc. | 217 |
12 |
| IONaer International Arizona, LLC | 20 |
11 |
| Global Plasma Solutions, Inc. | 68 |
11 |
| Sumitomo Electric Industries, Ltd. | 14131 |
10 |
| FuelCell Energy, Inc. | 337 |
10 |
| Praxair Technology, Inc. | 1367 |
9 |
| Skyre, Inc. | 31 |
9 |
| Shanghai Bixiufu Enterprise Management Co., Ltd. | 201 |
9 |
| BASF SE | 19740 |
8 |
| Toyota Motor Corporation | 28582 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
| Other owners | 806 |