- 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: 403
10-year publication summary
|
17
|
23
|
16
|
12
|
15
|
11
|
16
|
14
|
26
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9004 |
15 |
| General Electric Technology GmbH | 1346 |
10 |
| Mitsubishi Power, Ltd. | 1818 |
10 |
| Kanken Techno Co., Ltd. | 64 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12520 |
6 |
| GE Vernova Infrastructure Technology LLC | 386 |
6 |
| Fuel Tech, Inc. | 52 |
5 |
| Messer Industries USA, Inc. | 124 |
5 |
| Beijing Kanken Environmental Protection Equipment Co., Ltd. | 34 |
5 |
| Siemens Energy, Inc. | 1698 |
4 |
| Carbonxt Inc. | 30 |
4 |
| IHI Corporation | 3513 |
4 |
| Mississippi Lime Company | 40 |
4 |
| Toshiba Corporation | 12698 |
3 |
| Denso Corporation | 25115 |
3 |
| Applied Materials, Inc. | 19908 |
3 |
| Kyocera Corporation | 14211 |
3 |
| Uop LLC | 4296 |
3 |
| Komatsu Ltd. | 4669 |
3 |
| Ebara Corporation | 2266 |
3 |
| Other owners | 296 |