- All sections
- D - Textilespaper
- D21B - Fibrous raw materials or their mechanical treatment
- D21B 1/14 - Disintegrating in mills
Patent holdings for IPC class D21B 1/14
Total number of patents in this class: 67
10-year publication summary
|
1
|
3
|
5
|
7
|
7
|
8
|
4
|
5
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmet AB | 514 |
18 |
| Circ, Inc. | 36 |
4 |
| Andritz Inc. | 333 |
3 |
| UPM-Kymmene Corporation | 940 |
3 |
| Voith Patent GmbH | 2767 |
3 |
| BASF SE | 20991 |
2 |
| Daprox AB | 15 |
2 |
| Metso Paper, Inc. | 420 |
2 |
| North Carolina State University | 1573 |
2 |
| Shen, Jennifer | 4 |
2 |
| Stora Enso Oyj | 1656 |
2 |
| Yi Chun Green Technology Co., Ltd. | 6 |
2 |
| Halliburton Energy Services, Inc. | 20946 |
1 |
| LG Electronics Inc. | 73578 |
1 |
| Andritz AG | 234 |
1 |
| Andritz Oy | 286 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2663 |
1 |
| Billerud AB | 126 |
1 |
| Buckman Laboratories International, Inc. | 236 |
1 |
| Cotton Incorporated | 57 |
1 |
| Other owners | 14 |