- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 1/08 - Regulating consistency
Patent holdings for IPC class D21F 1/08
Total number of patents in this class: 33
10-year publication summary
|
2
|
0
|
1
|
0
|
0
|
3
|
0
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2740 |
15 |
| GCF US Holdings LLC | 140 |
4 |
| Seiko Epson Corporation | 20446 |
2 |
| Honeywell ASCa Inc. | 99 |
2 |
| Honeywell International Inc. | 12766 |
1 |
| Billerud AB | 166 |
1 |
| International Paper Company | 596 |
1 |
| Metso Paper, Inc. | 329 |
1 |
| Stora Enso Oyj | 1661 |
1 |
| United States Gypsum Company | 941 |
1 |
| Wetend Technologies Oy | 26 |
1 |
| Farmwise Labs, Inc. | 23 |
1 |
| Tecnologías de Aplicación Industrial y Cia. Limitada | 1 |
1 |
| Anhui Tianxiang High-Tech Special Packing Material Group Co., Ltd. | 1 |
1 |
| Other owners | 0 |