- 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 3/22 - Hollow frames
Patent holdings for IPC class E06B 3/22
Total number of patents in this class: 161
10-year publication summary
|
11
|
11
|
16
|
18
|
14
|
7
|
13
|
12
|
14
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rehau AG + Co | 354 |
20 |
| Andersen Corporation | 288 |
15 |
| REHAU Industries SE & Co. KG | 378 |
11 |
| Graf Synergy S.r.l. | 78 |
7 |
| VKR Holding A/S | 582 |
6 |
| BASF SE | 21308 |
5 |
| Deceuninck NV | 74 |
4 |
| Salamander Industrie-Produkte GmbH | 96 |
4 |
| aluplast GmbH | 14 |
3 |
| Greiner Tool.Tec GmbH | 13 |
3 |
| Pella Corporation | 255 |
3 |
| Plastpro 2000, Inc. | 30 |
3 |
| profine GmbH | 132 |
3 |
| Sika Technology AG | 3006 |
3 |
| VEKA Aktiengesellschaft | 46 |
3 |
| Gilkey Window Company | 4 |
3 |
| Guardian Glass, LLC | 564 |
3 |
| Rotox Holding GmbH & Co. KG | 8 |
3 |
| Associated Materials, LLC, DBA Alside | 101 |
2 |
| Deceuninck North America, LLC | 83 |
2 |
| Other owners | 55 |