- All sections
- D - Textilespaper
- D21B - Fibrous raw materials or their mechanical treatment
- D21B 1/06 - Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
Patent holdings for IPC class D21B 1/06
Total number of patents in this class: 199
10-year publication summary
|
32
|
24
|
23
|
13
|
21
|
18
|
11
|
17
|
19
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19352 |
66 |
| The Procter & Gamble Company | 22017 |
5 |
| Entsorgafin S.p.A. | 24 |
5 |
| UPM-Kymmene Corporation | 938 |
5 |
| Xyleco, Inc. | 195 |
4 |
| Zuiko Corporation | 430 |
4 |
| IFG Technologies, LLC | 8 |
4 |
| Forest Concepts, LLC | 24 |
3 |
| POET Research, Inc. | 262 |
3 |
| Stora Enso Oyj | 1636 |
3 |
| Yi Chun Green Technology Co., Ltd. | 6 |
3 |
| BASF SE | 20933 |
2 |
| Columbia Insurance Company | 1523 |
2 |
| Andritz AG | 232 |
2 |
| Daio Paper Corporation | 1380 |
2 |
| International Paper Company | 788 |
2 |
| Oji Holdings Corporation | 720 |
2 |
| Saudi Arabian Oil Company | 13155 |
2 |
| Voith Patent GmbH | 2759 |
2 |
| GPCP IP Holdings LLC | 1631 |
2 |
| Other owners | 76 |