- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/32 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical 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: 1405
10-year publication summary
|
100
|
76
|
83
|
96
|
120
|
121
|
158
|
147
|
144
|
96
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25579 |
40 |
| Massachusetts Institute of Technology | 10254 |
35 |
| Applied Materials, Inc. | 20406 |
26 |
| Hamilton Sundstrand Corporation | 5014 |
24 |
| Robert Bosch GmbH | 44176 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
17 |
| Edwards Limited | 773 |
17 |
| Haier Smart Home Co., Ltd. | 5716 |
17 |
| Qingdao Haier Refrigerator Co., Ltd | 1652 |
16 |
| Global Plasma Solutions, Inc. | 75 |
14 |
| Verdox, Inc. | 27 |
14 |
| ThermoChem Recovery International, Inc. | 96 |
13 |
| Guizhou Power Grid Company Limited | 186 |
12 |
| The Regents of the University of California | 20778 |
11 |
| FuelCell Energy, Inc. | 324 |
11 |
| Xyleco, Inc. | 186 |
11 |
| IONaer International Arizona, LLC | 21 |
11 |
| Honda Motor Co., Ltd. | 26034 |
10 |
| Sumitomo Electric Industries, Ltd. | 16355 |
10 |
| Korea Institute of Machinery & Materials | 794 |
10 |
| Other owners | 1066 |