- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/44 - Organic components
Patent holdings for IPC class B01D 53/44
Total number of patents in this class: 286
10-year publication summary
|
7
|
23
|
21
|
23
|
16
|
29
|
33
|
32
|
29
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyobo Co., Ltd. | 2286 |
17 |
| EXP Services Inc. | 16 |
4 |
| G4 Insights Inc. | 15 |
4 |
| Kanken Techno Co., Ltd. | 56 |
4 |
| Toyobo MC Corporation | 233 |
4 |
| Gas Liquids Engineering Ltd. | 26 |
3 |
| Pyrogenesis Canada, Inc. | 67 |
3 |
| Uniboard Canada Inc. | 73 |
3 |
| Ushio Denki Kabushiki Kaisha | 1088 |
3 |
| Shenzhen Puremate Technology Co., Ltd. | 49 |
3 |
| Illinois Tool Works Inc. | 11152 |
2 |
| BASF SE | 19740 |
2 |
| International Business Machines Corporation | 60644 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Tokyo Electron Limited | 11599 |
2 |
| Air Liquide Advanced Technologies U.S. LLC | 90 |
2 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
2 |
| Arbaflame Technology AS | 14 |
2 |
| Blue-Zone Technologies Ltd. | 28 |
2 |
| Other owners | 218 |