- All sections
- D - Textiles; paper
- D21F - Paper-making machines; methods 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: 33
10-year publication summary
|
1
|
0
|
2
|
2
|
7
|
2
|
2
|
4
|
2
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GPCP IP Holdings LLC | 1733 |
8 |
| Seiko Epson Corporation | 18724 |
5 |
| Arjowiggins Security | 143 |
4 |
| Giesecke+Devrient Currency Technology GmbH | 817 |
4 |
| Arjowiggins | 20 |
2 |
| Donaldson Company, Inc. | 1513 |
2 |
| Voith Patent GmbH | 2727 |
2 |
| The Procter & Gamble Company | 22178 |
1 |
| Albany International Corp. | 311 |
1 |
| Banque de France | 44 |
1 |
| Giesecke & Devrient GmbH | 990 |
1 |
| University of Louisville Research Foundation, Inc. | 709 |
1 |
| G13 Innovation in Production Ltd | 1 |
1 |
| Other owners | 0 |