- All sections
- D - Textiles; paper
- D21F - Paper-making machines; methods of producing paper thereon
- D21F 1/26 - Tilting, raising, or lowering mechanisms for wire-cloths in Fourdrinier machines
Patent holdings for IPC class D21F 1/26
Total number of patents in this class: 8
10-year publication summary
|
1
|
1
|
1
|
1
|
0
|
1
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IBS of America | 26 |
7 |
| BS Co., Ltd. | 4 |
1 |
| Other owners | 0 |