- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/44 - Organic components
Patent holdings for IPC class B01D 53/44
Total number of patents in this class: 298
10-year publication summary
|
20
|
19
|
21
|
15
|
28
|
29
|
30
|
28
|
15
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyobo Co., Ltd. | 2516 |
17 |
| Toyobo MC Corporation | 365 |
9 |
| EXP Services Inc. | 15 |
4 |
| G4 Insights Inc. | 15 |
4 |
| Kanken Techno Co., Ltd. | 62 |
4 |
| Gas Liquids Engineering Ltd. | 24 |
3 |
| IFP Energies Nouvelles | 2952 |
3 |
| Pyrogenesis Canada, Inc. | 67 |
3 |
| Trane International Inc. | 1191 |
3 |
| Uniboard Canada Inc. | 73 |
3 |
| Ushio Denki Kabushiki Kaisha | 1190 |
3 |
| Shenzhen Puremate Technology Co., Ltd. | 56 |
3 |
| Illinois Tool Works Inc. | 11494 |
2 |
| BASF SE | 20979 |
2 |
| International Business Machines Corporation | 61433 |
2 |
| Mars, Incorporated | 2926 |
2 |
| Tokyo Electron Limited | 12877 |
2 |
| Murata Manufacturing Co., Ltd. | 24713 |
2 |
| Toray Industries, Inc. | 6976 |
2 |
| Air Liquide Advanced Technologies U.S. LLC | 90 |
2 |
| Other owners | 223 |