- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 11/16 - Making paper strips for spinning or twisting
Patent holdings for IPC class D21F 11/16
Total number of patents in this class: 10
10-year publication summary
|
1
|
2
|
0
|
1
|
1
|
1
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Spinnova Oy | 22 |
6 |
| The Procter & Gamble Company | 21880 |
2 |
| Cristobal Meseguer, S.A. | 43 |
1 |
| Rinnovation Co., Ltd. | 1 |
1 |
| Other owners | 0 |