- All sections
- D - Textilespaper
- D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materialsregeneration of pulping liquorsapparatus therefor
- D21C 11/14 - Wet combustion
Patent holdings for IPC class D21C 11/14
Total number of patents in this class: 13
10-year publication summary
|
3
|
1
|
0
|
0
|
0
|
0
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1661 |
2 |
| Uop LLC | 4407 |
1 |
| Andritz Oy | 294 |
1 |
| The Babcock & Wilcox Company | 139 |
1 |
| Metsa Fibre Oy | 46 |
1 |
| Valmet AB | 561 |
1 |
| Valmet Automation Oy | 112 |
1 |
| Valmet Technologies Oy | 289 |
1 |
| Veolia Water Technologies, Inc. | 83 |
1 |
| XDI Holdings, LLC | 20 |
1 |
| Heat IP Holdco, LLC | 49 |
1 |
| Heat IP Holdco, LLC | 27 |
1 |
| Other owners | 0 |