- All sections
- D - Textilespaper
- D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materialsregeneration of pulping liquorsapparatus therefor
- D21C 7/10 - Heating devices
Patent holdings for IPC class D21C 7/10
Total number of patents in this class: 37
10-year publication summary
|
5
|
1
|
2
|
1
|
4
|
1
|
1
|
4
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Andritz Oy | 293 |
9 |
| Valmet AB | 556 |
6 |
| International Paper Company | 598 |
3 |
| Chemstone, Inc. | 26 |
2 |
| Solenis Technologies Cayman, L.P. | 321 |
2 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 226 |
2 |
| Mitsubishi Power Environmental Solutions, Ltd. | 44 |
2 |
| SixRing Inc. | 176 |
2 |
| Abengoa Bioenergy New Technologies, LLC | 15 |
1 |
| Andritz Inc. | 324 |
1 |
| Brandenburgische Technische Universitat Cottbus-senftenberg | 35 |
1 |
| Hao, Li | 29 |
1 |
| Hubei Jinhanjiang Refined Cotton Co., Ltd. | 12 |
1 |
| Lignol Innovations Ltd. | 24 |
1 |
| Swiss Krono Tec AG | 513 |
1 |
| Nafici Environmental Research | 1 |
1 |
| LWG Lausitzer Wasser GmbH & Co. KG | 1 |
1 |
| Other owners | 0 |