- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/34 - Chemical or biological purification of waste gases
Patent holdings for IPC class B01D 53/34
Total number of patents in this class: 1327
10-year publication summary
|
59
|
78
|
82
|
62
|
51
|
69
|
71
|
91
|
106
|
134
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8910 |
41 |
| Saudi Arabian Oil Company | 13716 |
25 |
| Uop LLC | 4259 |
22 |
| Intelligent Abatement, LLC | 23 |
20 |
| General Electric Technology GmbH | 1370 |
16 |
| Umicore AG & Co. KG | 862 |
15 |
| Johnson Matthey Public Limited Company | 1769 |
14 |
| GE Vernova Infrastructure Technology LLC | 336 |
12 |
| IFP Energies Nouvelles | 2985 |
11 |
| Mitsubishi Power, Ltd. | 1810 |
11 |
| Alstom Technology Ltd | 1085 |
10 |
| IHI Corporation | 3469 |
10 |
| BASF Mobile Emissions Catalysts LLC | 419 |
9 |
| BASF SE | 21137 |
8 |
| Jiangnan Environmental Protection Group Inc. | 57 |
8 |
| Honeywell International Inc. | 13571 |
7 |
| Caterpillar Inc. | 9866 |
7 |
| Babcock-Hitachi Kabushiki Kaisha | 101 |
7 |
| Edwards Limited | 791 |
7 |
| ThyssenKrupp AG | 3350 |
7 |
| Other owners | 1060 |