- 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 3/48 - Wings connected at their edges, e.g. foldable wings
Patent holdings for IPC class E06B 3/48
Total number of patents in this class: 433
10-year publication summary
|
41
|
49
|
43
|
39
|
35
|
35
|
23
|
16
|
18
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Won-Door Corporation | 104 |
27 |
| Hunter Douglas Inc. | 901 |
19 |
| Overhead Door Corporation | 320 |
19 |
| Sorrel Quarters, LLC | 51 |
17 |
| Assa Abloy Entrance Systems AB | 580 |
13 |
| Cornellcookson, LLC | 198 |
12 |
| Julius Blum GmbH | 1252 |
9 |
| Dynamic Closures Corporation | 26 |
7 |
| Hormann KG Brockhagen | 19 |
7 |
| Rite-Hite Holding Corporation | 663 |
7 |
| The Boeing Company | 20186 |
5 |
| Panasonic Intellectual Property Corporation of America | 6926 |
5 |
| Clopay Corporation | 93 |
5 |
| Seuster KG | 27 |
5 |
| Harper Engineering Co. | 30 |
4 |
| Levolor, Inc. | 51 |
4 |
| Modernfold, Inc. | 51 |
4 |
| Skyfold Inc. | 21 |
4 |
| Solarlux GmbH | 33 |
4 |
| Centurion Garage Doors Pty Ltd | 6 |
4 |
| Other owners | 252 |