- All sections
- D - Textiles; paper
- D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materials; regeneration of pulping liquors; apparatus therefor
- D21C 11/14 - Wet combustion
Patent holdings for IPC class D21C 11/14
Total number of patents in this class: 14
10-year publication summary
|
2
|
3
|
1
|
0
|
0
|
0
|
0
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1603 |
2 |
| XDI Holdings, LLC | 39 |
2 |
| Uop LLC | 4187 |
1 |
| Andritz Oy | 280 |
1 |
| The Babcock & Wilcox Company | 175 |
1 |
| Metsa Fibre Oy | 32 |
1 |
| Sachtleben Chemie GmbH | 69 |
1 |
| Valmet AB | 494 |
1 |
| Valmet Automation Oy | 111 |
1 |
| Valmet Technologies Oy | 290 |
1 |
| Veolia Water Technologies, Inc. | 82 |
1 |
| Heat IP Holdco, LLC | 47 |
1 |
| Other owners | 0 |