- All sections
- E - Fixed constructions
- E06B - Fixed or movable closures for openings in buildings, vehicles, fences, or like enclosures, in general, e.g. doors, windows, blinds, gates
- E06B 3/277 - Frames with special provision for insulation with prefabricated insulating elements held in position by expansion of the insulating elements
Patent holdings for IPC class E06B 3/277
Total number of patents in this class: 6
10-year publication summary
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1
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0
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1
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0
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1
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0
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1
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0
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0
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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
|
|---|---|---|
| VKR Holding A/S | 564 |
2 |
| ENSINGER GmbH | 118 |
1 |
| Recticel N.V. | 15 |
1 |
| Technoform Bautec Holding GmbH | 23 |
1 |
| Kinova Entwicklungs- und Beteiligungs GmbH | 1 |
1 |
| Other owners | 0 |