- All sections
- D - Textilespaper
- D21H - Pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertreatment of finished paper not covered by class or subclass paper not otherwise provided for
- D21H 23/58 - Details thereof, e.g. surface characteristics or peripheral speed
Patent holdings for IPC class D21H 23/58
Total number of patents in this class: 25
10-year publication summary
|
2
|
0
|
2
|
3
|
4
|
0
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2762 |
9 |
| 3m Innovative Properties Company | 17823 |
5 |
| The Procter & Gamble Company | 22043 |
2 |
| Valmet Technologies Oy | 285 |
2 |
| Giorgio Trani | 13 |
1 |
| Mattssonforetagen I Uddevalla Aktiebolag | 6 |
1 |
| Profero Systems, Inc. | 11 |
1 |
| Richard Hough Limited | 3 |
1 |
| UPM-Kymmene Corporation | 936 |
1 |
| Valmet Technologies, Inc. | 146 |
1 |
| OERTER, Jürgen | 1 |
1 |
| Other owners | 0 |