- 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: 2804
10-year publication summary
|
185
|
177
|
194
|
188
|
201
|
210
|
244
|
248
|
312
|
244
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9252 |
152 |
| Jiangnan Environmental Protection Group Inc. | 57 |
37 |
| Saudi Arabian Oil Company | 14398 |
32 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 194 |
32 |
| Fuji Electric Co., Ltd. | 5548 |
30 |
| Mitsubishi Power, Ltd. | 1838 |
30 |
| Lowcarbon Co., Ltd | 116 |
29 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
25 |
| Blue Planet Systems Corporation | 78 |
25 |
| Toshiba Corporation | 12727 |
23 |
| IFP Energies Nouvelles | 3125 |
22 |
| Jiangsu New Century Jiangnan Environmental Protection Inc., Ltd | 27 |
22 |
| BASF SE | 21334 |
19 |
| Toshiba Energy Systems & Solutions Corp. | 1139 |
19 |
| Korea Institute of Energy Research | 902 |
18 |
| Chiyoda Corporation | 433 |
16 |
| General Electric Technology GmbH | 1318 |
16 |
| Uop LLC | 4407 |
15 |
| IHI Corporation | 3552 |
15 |
| Astrin Biosciences, Inc. | 47 |
15 |
| Other owners | 2212 |