- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 11/06 - Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines of the cylinder type
Patent holdings for IPC class D21F 11/06
Total number of patents in this class: 31
10-year publication summary
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0
|
1
|
2
|
6
|
2
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2
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4
|
2
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5
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GPCP IP Holdings LLC | 1635 |
7 |
| Seiko Epson Corporation | 19556 |
5 |
| Giesecke+Devrient Currency Technology GmbH | 902 |
4 |
| Arjowiggins Security | 125 |
3 |
| G13 Innovation in Production Ltd | 4 |
3 |
| Donaldson Company, Inc. | 1606 |
2 |
| Voith Patent GmbH | 2767 |
2 |
| The Procter & Gamble Company | 21998 |
1 |
| Arjowiggins | 15 |
1 |
| Banque de France | 44 |
1 |
| Curt G. Joa, Inc. | 208 |
1 |
| University of Louisville Research Foundation, Inc. | 724 |
1 |
| Other owners | 0 |