B01D 35/24
Providing loose granular material to scratch the filters clean
B01D35/24 (Providing loose granular material to scratch the filters clean) appears on 1 US grants and 1 published applications in this corpus.
Search patents in B01D- Granted patents
- 1
- Published applications
- 1
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 21 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year.
Recent patents
Most cited
By later US patents