- 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: 396
10-year publication summary
|
13
|
17
|
23
|
16
|
12
|
15
|
11
|
16
|
14
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8752 |
16 |
| Mitsubishi Power, Ltd. | 1772 |
10 |
| General Electric Technology GmbH | 1370 |
9 |
| Kanken Techno Co., Ltd. | 62 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12787 |
6 |
| GE Vernova Infrastructure Technology LLC | 235 |
6 |
| Fuel Tech, Inc. | 52 |
5 |
| Messer Industries USA, Inc. | 119 |
5 |
| Beijing Kanken Environmental Protection Equipment Co., Ltd. | 33 |
5 |
| Siemens Energy, Inc. | 1713 |
4 |
| Carbonxt Inc. | 30 |
4 |
| IHI Corporation | 3450 |
4 |
| Mississippi Lime Company | 41 |
4 |
| Toshiba Corporation | 12367 |
3 |
| Denso Corporation | 24355 |
3 |
| Applied Materials, Inc. | 18746 |
3 |
| Kyocera Corporation | 13857 |
3 |
| Uop LLC | 4237 |
3 |
| Komatsu Ltd. | 4557 |
3 |
| Ebara Corporation | 2174 |
3 |
| Other owners | 289 |