- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/74 - General processes for purification of waste gasesApparatus or devices specially adapted therefor
Patent holdings for IPC class B01D 53/74
Total number of patents in this class: 402
10-year publication summary
|
19
|
25
|
17
|
13
|
16
|
13
|
19
|
16
|
32
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9204 |
14 |
| General Electric Technology GmbH | 1322 |
10 |
| Mitsubishi Power, Ltd. | 1836 |
9 |
| Kanken Techno Co., Ltd. | 71 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12324 |
6 |
| Messer Industries USA, Inc. | 125 |
5 |
| Beijing Kanken Environmental Protection Equipment Co., Ltd. | 35 |
5 |
| GE Vernova Infrastructure Technology LLC | 548 |
5 |
| Siemens Energy, Inc. | 1680 |
4 |
| Carbonxt Inc. | 29 |
4 |
| Fuel Tech, Inc. | 51 |
4 |
| IHI Corporation | 3543 |
4 |
| Mississippi Lime Company | 39 |
4 |
| The Regents of the University of California | 20902 |
3 |
| Toshiba Corporation | 12726 |
3 |
| Denso Corporation | 25746 |
3 |
| Applied Materials, Inc. | 20579 |
3 |
| Kyocera Corporation | 14451 |
3 |
| Uop LLC | 4407 |
3 |
| Komatsu Ltd. | 4786 |
3 |
| Other owners | 299 |