- 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 3/04 - Impregnating in open tanks
Patent holdings for IPC class B27K 3/04
Total number of patents in this class: 15
10-year publication summary
|
1
|
2
|
0
|
4
|
1
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0
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0
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2
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1
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JELD-WEN, inc. | 295 |
2 |
| Lufthansa Technik AG | 477 |
2 |
| Prolam, Societe en Commandite | 9 |
2 |
| Technologies Boralife Inc. | 13 |
2 |
| Mighty Fire Breaker LLC | 60 |
2 |
| MDT Co.,Ltd. | 5 |
1 |
| Serex | 1 |
1 |
| Universite du Quebec en Abitibi-temiscamingue (uqat) | 1 |
1 |
| University of North Texas | 205 |
1 |
| Hunan Taohuajiang Bamboo Science & Technology Co., Ltd. | 15 |
1 |
| Other owners | 0 |