- All sections
- B - Performing operationstransporting
- 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 forchemical or physical treatment of cork, cane, reed, straw or similar materials
- B27K 5/00 - Staining or dyeing woodBleaching woodTreating of wood not provided for in groups or
Patent holdings for IPC class B27K 5/00
Total number of patents in this class: 370
10-year publication summary
|
21
|
28
|
38
|
37
|
32
|
32
|
27
|
20
|
32
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2218 |
14 |
| Stora Enso Oyj | 1650 |
10 |
| Tricoya Technologies Ltd | 40 |
9 |
| Swiss Krono Tec AG | 489 |
8 |
| Titan Wood Limited | 61 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
7 |
| Koppers Performance Chemicals Inc. | 123 |
7 |
| University of Maryland, College Park | 1023 |
6 |
| SAS Woodoo | 28 |
5 |
| American Chemet Corporation | 8 |
4 |
| Polymertrend LLC. | 4 |
4 |
| Swiss Wood Solutions AG | 9 |
4 |
| Bakelite Chemicals LLC | 78 |
4 |
| BASF SE | 20967 |
3 |
| Olympus Corporation | 13161 |
3 |
| Dow Global Technologies LLC | 10386 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
3 |
| Boise Cascade Company a Delaware Corporation | 44 |
3 |
| Daicel Corporation | 2370 |
3 |
| Kyoto University | 2811 |
3 |
| Other owners | 259 |