- 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 5/06 - Softening or hardening wood
Patent holdings for IPC class B27K 5/06
Total number of patents in this class: 82
10-year publication summary
|
1
|
6
|
8
|
7
|
4
|
8
|
10
|
14
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| University of Maryland, College Park | 1085 |
13 |
| AHF, LLC d/b/a AHF Products | 176 |
4 |
| Swiss Wood Solutions AG | 9 |
4 |
| Nanjing Forestry University | 123 |
3 |
| Stora Enso Oyj | 1650 |
3 |
| Freisicht GmbH | 3 |
3 |
| Long Bamboo Technology Group Co.,Ltd. | 20 |
3 |
| Inventwood Inc. | 13 |
3 |
| Olympus Corporation | 12937 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
2 |
| Armstrong World Industries, Inc. | 369 |
2 |
| Firmenich SA | 1761 |
2 |
| Firmowood Nederland B.V. | 3 |
2 |
| Flooring Technologies Ltd. | 172 |
2 |
| United States as Represented by the Secretary of Agriculture | 18 |
2 |
| Wells Fargo Bank, National Association | 4521 |
2 |
| DTE Materials Incorporated | 8 |
2 |
| Heartwood Sustainable Industries (Pty) Ltd | 2 |
2 |
| Siemens AG | 24020 |
1 |
| Armstrong Hardwood Flooring Company | 1 |
1 |
| Other owners | 24 |