- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/78 - Liquid phase processes with gas-liquid contact
Patent holdings for IPC class B01D 53/78
Total number of patents in this class: 2034
10-year publication summary
|
135
|
133
|
185
|
177
|
194
|
188
|
202
|
206
|
231
|
79
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
105 |
| Jiangnan Environmental Protection Group Inc. | 63 |
37 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 207 |
32 |
| Fuji Electric Co., Ltd. | 4750 |
31 |
| Mitsubishi Power, Ltd. | 1680 |
27 |
| General Electric Technology GmbH | 1657 |
25 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
25 |
| IFP Energies Nouvelles | 2717 |
19 |
| Saudi Arabian Oil Company | 11322 |
18 |
| Blue Planet Systems Corporation | 65 |
17 |
| IHI Corporation | 3268 |
16 |
| Toshiba Corporation | 12017 |
15 |
| Jiangsu New Century Jiangnan Environmental Protection Inc., Ltd | 17 |
15 |
| Lowcarbon Co., Ltd | 79 |
15 |
| Astrin Biosciences, Inc. | 24 |
15 |
| BASF SE | 19740 |
14 |
| Alstom Technology Ltd | 1196 |
14 |
| Chiyoda Corporation | 363 |
14 |
| Korea Institute of Energy Research | 803 |
14 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
12 |
| Other owners | 1554 |