- All sections
- B - Performing operations; transporting
- B27K - Processes, apparatus or selection of substances for impregnating, staining, dyeing or bleaching of wood, or for treating of wood with permeant liquids, not otherwise provided for; chemical or physical treatment of cork, cane, reed, straw or similar materials
- B27K 5/04 - Combined bleaching or impregnating and drying of wood
Patent holdings for IPC class B27K 5/04
Total number of patents in this class: 41
10-year publication summary
2
|
5
|
0
|
5
|
4
|
3
|
4
|
2
|
1
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kebony ASA | 16 |
4 |
Cellutech AB | 24 |
2 |
Industrial Cooperation Foundation Chonbuk National University | 434 |
2 |
Wells Fargo Bank, National Association | 2945 |
2 |
T2earth Holdings LLC | 11 |
2 |
DTE Materials Incorporated | 8 |
2 |
Beijing Forestry University | 13 |
2 |
9103-7366 Quebec Inc. | 1 |
1 |
Danish Wood Technology Holding ApS | 1 |
1 |
Eastman Chemical Company | 2239 |
1 |
Firmenich SA | 1612 |
1 |
Georgia-Pacific Wood Products LLC | 44 |
1 |
Marvin Lumber and Cedar Company | 40 |
1 |
Merichem Chemicals & Refinery Services LLC | 3 |
1 |
Northeast Forestry University | 18 |
1 |
PT. Karuna Sumber Jaya | 1 |
1 |
University of Houston System | 1005 |
1 |
Woodholdings Environmental, Inc. | 5 |
1 |
Wqi Limited | 1 |
1 |
Wuxi Boda Bamboo and Wood Industrial Co., Ltd. | 2 |
1 |
Other owners | 12 |