- All sections
- B - Performing operationstransporting
- 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: 2495
10-year publication summary
|
125
|
169
|
169
|
178
|
180
|
185
|
200
|
227
|
237
|
268
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8871 |
129 |
| Jiangnan Environmental Protection Group Inc. | 57 |
37 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 194 |
32 |
| Fuji Electric Co., Ltd. | 5243 |
30 |
| Mitsubishi Power, Ltd. | 1810 |
27 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
25 |
| Saudi Arabian Oil Company | 13622 |
24 |
| Lowcarbon Co., Ltd | 100 |
24 |
| Blue Planet Systems Corporation | 74 |
21 |
| IFP Energies Nouvelles | 2974 |
20 |
| Toshiba Corporation | 12540 |
19 |
| Korea Institute of Energy Research | 870 |
18 |
| Jiangsu New Century Jiangnan Environmental Protection Inc., Ltd | 22 |
18 |
| BASF SE | 21072 |
16 |
| Chiyoda Corporation | 398 |
16 |
| General Electric Technology GmbH | 1371 |
16 |
| IHI Corporation | 3467 |
16 |
| Toshiba Energy Systems & Solutions Corp. | 1105 |
15 |
| Astrin Biosciences, Inc. | 36 |
15 |
| Alstom Technology Ltd | 1087 |
14 |
| Other owners | 1963 |