- 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: 1270
10-year publication summary
|
60
|
81
|
85
|
66
|
52
|
76
|
79
|
97
|
111
|
72
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8703 |
39 |
| Saudi Arabian Oil Company | 13044 |
24 |
| Uop LLC | 4244 |
19 |
| Intelligent Abatement, LLC | 23 |
19 |
| General Electric Technology GmbH | 1371 |
16 |
| Johnson Matthey Public Limited Company | 1850 |
15 |
| Umicore AG & Co. KG | 856 |
15 |
| GE Vernova Infrastructure Technology LLC | 155 |
12 |
| IFP Energies Nouvelles | 2945 |
11 |
| Mitsubishi Power, Ltd. | 1759 |
11 |
| Alstom Technology Ltd | 1108 |
10 |
| IHI Corporation | 3422 |
10 |
| BASF Mobile Emissions Catalysts LLC | 400 |
9 |
| BASF SE | 20912 |
7 |
| Honeywell International Inc. | 13531 |
7 |
| Caterpillar Inc. | 9539 |
7 |
| Babcock-Hitachi Kabushiki Kaisha | 103 |
7 |
| Edwards Limited | 791 |
7 |
| ThyssenKrupp AG | 3280 |
7 |
| Jiangnan Environmental Protection Group Inc. | 57 |
7 |
| Other owners | 1011 |