- 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: 304
10-year publication summary
|
21
|
23
|
16
|
29
|
33
|
33
|
29
|
18
|
16
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyobo Co., Ltd. | 2537 |
17 |
| Toyobo MC Corporation | 538 |
9 |
| EXP Services Inc. | 14 |
4 |
| G4 Insights Inc. | 15 |
4 |
| Iogen Corporation | 161 |
4 |
| Kanken Techno Co., Ltd. | 71 |
4 |
| Elavo Energy Solutions Ltd. | 10 |
4 |
| Gas Liquids Engineering Ltd. | 23 |
3 |
| ICA Trinova, LLC | 24 |
3 |
| IFP Energies Nouvelles | 3110 |
3 |
| Pyrogenesis Canada, Inc. | 65 |
3 |
| Trane International Inc. | 1237 |
3 |
| Uniboard Canada Inc. | 69 |
3 |
| Ushio Denki Kabushiki Kaisha | 1209 |
3 |
| Shenzhen Puremate Technology Co., Ltd. | 66 |
3 |
| Illinois Tool Works Inc. | 11863 |
2 |
| BASF SE | 21320 |
2 |
| International Business Machines Corporation | 62754 |
2 |
| Mars, Incorporated | 2896 |
2 |
| Tokyo Electron Limited | 13884 |
2 |
| Other owners | 224 |