- 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: 1409
10-year publication summary
|
81
|
85
|
67
|
52
|
76
|
80
|
99
|
127
|
143
|
98
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9115 |
42 |
| Saudi Arabian Oil Company | 14207 |
30 |
| Uop LLC | 4393 |
24 |
| Intelligent Abatement, LLC | 23 |
20 |
| General Electric Technology GmbH | 1336 |
16 |
| Umicore AG & Co. KG | 853 |
15 |
| GE Vernova Infrastructure Technology LLC | 506 |
15 |
| Johnson Matthey Public Limited Company | 1767 |
13 |
| IFP Energies Nouvelles | 3095 |
11 |
| Alstom Technology Ltd | 1045 |
10 |
| IHI Corporation | 3532 |
10 |
| Mitsubishi Power, Ltd. | 1832 |
10 |
| BASF SE | 21303 |
8 |
| ThyssenKrupp AG | 3423 |
8 |
| Jiangnan Environmental Protection Group Inc. | 57 |
8 |
| BASF Mobile Emissions Catalysts LLC | 432 |
8 |
| Honeywell International Inc. | 12778 |
7 |
| Babcock-Hitachi Kabushiki Kaisha | 93 |
7 |
| Edwards Limited | 773 |
7 |
| Caterpillar Inc. | 10272 |
6 |
| Other owners | 1134 |