- 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: 1377
10-year publication summary
|
81
|
85
|
66
|
52
|
76
|
80
|
99
|
126
|
141
|
58
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9034 |
41 |
| Saudi Arabian Oil Company | 13949 |
29 |
| Uop LLC | 4322 |
23 |
| Intelligent Abatement, LLC | 23 |
20 |
| General Electric Technology GmbH | 1345 |
16 |
| Umicore AG & Co. KG | 855 |
15 |
| GE Vernova Infrastructure Technology LLC | 441 |
15 |
| Johnson Matthey Public Limited Company | 1756 |
14 |
| IFP Energies Nouvelles | 3038 |
11 |
| Alstom Technology Ltd | 1057 |
10 |
| IHI Corporation | 3527 |
10 |
| Mitsubishi Power, Ltd. | 1820 |
10 |
| BASF Mobile Emissions Catalysts LLC | 430 |
9 |
| BASF SE | 21151 |
8 |
| ThyssenKrupp AG | 3468 |
8 |
| Jiangnan Environmental Protection Group Inc. | 57 |
8 |
| Honeywell International Inc. | 12790 |
7 |
| Caterpillar Inc. | 10180 |
7 |
| Babcock-Hitachi Kabushiki Kaisha | 94 |
7 |
| Edwards Limited | 781 |
7 |
| Other owners | 1102 |