- 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 5/06 - Softening or hardening wood
Patent holdings for IPC class B27K 5/06
Total number of patents in this class: 67
10-year publication summary
2
|
4
|
1
|
6
|
8
|
7
|
4
|
8
|
9
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
University of Maryland, College Park | 894 |
10 |
Swiss Wood Solutions AG | 4 |
4 |
Freisicht GmbH | 3 |
3 |
AHF, LLC d/b/a AHF Products | 194 |
3 |
Olympus Corporation | 13667 |
2 |
Armstrong World Industries, Inc. | 347 |
2 |
Firmenich SA | 1612 |
2 |
Firmowood Nederland B.V. | 3 |
2 |
Flooring Technologies Ltd. | 161 |
2 |
Nanjing Forestry University | 86 |
2 |
United States as Represented by the Secretary of Agriculture | 15 |
2 |
Wells Fargo Bank, National Association | 2945 |
2 |
DTE Materials Incorporated | 8 |
2 |
Heartwood Sustainable Industries (Pty) Ltd | 2 |
2 |
Long Bamboo Technology Group Co.,Ltd. | 12 |
2 |
Siemens AG | 24990 |
1 |
National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
Armstrong Hardwood Flooring Company | 1 |
1 |
Calignum Technologies AB | 1 |
1 |
Kronotec AG | 11 |
1 |
Other owners | 20 |