- 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 3/16 - Inorganic impregnating agents
Patent holdings for IPC class B27K 3/16
Total number of patents in this class: 126
10-year publication summary
|
6
|
12
|
6
|
13
|
18
|
13
|
9
|
12
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koppers Performance Chemicals Inc. | 128 |
10 |
| University of Maryland, College Park | 985 |
7 |
| Polymer Solutions Group | 9 |
5 |
| Arch Wood Protection Pty Ltd | 10 |
3 |
| Palonot Oy | 6 |
3 |
| Hunan Taohuajiang Bamboo Science & Technology Co., Ltd. | 16 |
3 |
| Arch Wood Protection, Inc. | 89 |
2 |
| Archroma IP GmbH | 456 |
2 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 806 |
2 |
| Georg-august-universitat Gottingen Stiftung Offentlichen Rechts | 73 |
2 |
| Organowood AB | 9 |
2 |
| Osmose Utilities Services, Inc. | 137 |
2 |
| Stella-Jones Inc., | 27 |
2 |
| Transfurans Chemicals | 3 |
2 |
| UPM-Kymmene Corporation | 926 |
2 |
| Wood Modification Technologies Ltd | 8 |
2 |
| DTE Materials Incorporated | 7 |
2 |
| Heartwood Sustainable Industries (Pty) Ltd | 2 |
2 |
| Universidad Del País VASCO / Euskal Herriko Unibertsitatea | 32 |
2 |
| BASF SE | 20616 |
1 |
| Other owners | 68 |