- All sections
- B - Performing operationstransporting
- B09B - Disposal of solid waste not otherwise provided for
- B09B 101/20 - Filters, e.g. oil filters
Patent holdings for IPC class B09B 101/20
Total number of patents in this class: 5
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cerdia International GmbH | 42 |
1 |
| Chung-King Hsu | 1 |
1 |
| Hung-Ching Chang | 1 |
1 |
| Jui-Tsai Wang | 1 |
1 |
| Shu-Tang Chang | 1 |
1 |
| Other owners | 0 |