- 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 3/44 - Vertically-sliding wings
Patent holdings for IPC class E06B 3/44
Total number of patents in this class: 178
10-year publication summary
|
19
|
29
|
31
|
28
|
15
|
18
|
10
|
19
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASSA ABLOY Fenestration, LLC | 158 |
12 |
| Cornellcookson, LLC | 182 |
7 |
| Niagara Bottling, LLC | 294 |
5 |
| Pella Corporation | 229 |
5 |
| Marvin Lumber and Cedar Company, LLC | 68 |
5 |
| Amesbury Group, Inc. | 83 |
4 |
| Assa Abloy Entrance Systems AB | 527 |
4 |
| Overhead Door Corporation | 321 |
4 |
| Changchun Kuoer Technology Co., Ltd. | 6 |
4 |
| Milgard Manufacturing LLC | 109 |
4 |
| Andersen Corporation | 267 |
3 |
| Aneeta Window Systems (Vic) Pty Ltd | 5 |
3 |
| Reliance Doors Pty Ltd | 5 |
3 |
| Rytec Corporation | 132 |
3 |
| Sorrel Quarters, LLC | 51 |
3 |
| Gilkey Window Company | 4 |
3 |
| PGT Innovations, LLC | 22 |
3 |
| American Sterilizer Company | 660 |
2 |
| Automatic Technology (Australia) Pty Ltd | 87 |
2 |
| Brose Fahrzeugteile GmbH & Co. KG, Hallstadt | 117 |
2 |
| Other owners | 97 |