- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 49/90 - Regeneration or reactivation of ion-exchangersApparatus therefor having devices which prevent back-flow of the ion-exchange mass during regeneration
Patent holdings for IPC class B01J 49/90
Total number of patents in this class: 8
10-year publication summary
|
0
|
0
|
0
|
0
|
3
|
1
|
0
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Franklin Electric Co., Inc. | 220 |
2 |
| Cellares Corporation | 107 |
2 |
| Dripping Wet Water, Inc. | 11 |
1 |
| Kinetico Incorporated | 173 |
1 |
| Nanjing Normal University | 80 |
1 |
| Nanjing University & Yancheng Academy of Environmental Protection Technology and Engineering | 23 |
1 |
| Other owners | 0 |