- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 7/10 - Seams thereof
Patent holdings for IPC class D21F 7/10
Total number of patents in this class: 150
10-year publication summary
|
9
|
6
|
4
|
5
|
8
|
13
|
9
|
7
|
10
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2766 |
46 |
| Albany International Corp. | 256 |
26 |
| AstenJohnson, Inc. | 128 |
24 |
| Huyck Licensco, Inc., | 46 |
8 |
| Ichikawa Co., Ltd. | 101 |
8 |
| Astenjohnson International, Inc. | 16 |
8 |
| First Quality Tissue, LLC | 156 |
6 |
| Valmet Technologies Oy | 286 |
6 |
| Nippon Filcon Co., Ltd. | 126 |
4 |
| The Procter & Gamble Company | 22011 |
2 |
| Muehlen Sohn GmbH & Co. | 4 |
2 |
| Feltri Marone S.p.A. | 14 |
1 |
| Heimbach GmbH & Co. KG | 9 |
1 |
| Structured I, LLC | 58 |
1 |
| Tamfelt PMC Oy | 4 |
1 |
| U.S. Bank National Association | 712 |
1 |
| Valmet Fabrics, Inc. | 2 |
1 |
| Valmet Technologies, Inc. | 146 |
1 |
| Wearable Technologies Limited | 9 |
1 |
| Anping Xinpeng Mesh Belt Limited Company | 2 |
1 |
| Other owners | 1 |