- 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 9/60 - Spring drums operated only by closure members
Patent holdings for IPC class E06B 9/60
Total number of patents in this class: 163
10-year publication summary
|
23
|
18
|
27
|
23
|
33
|
17
|
15
|
15
|
14
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 934 |
16 |
| Teh Yor Co., Ltd. | 117 |
6 |
| Whole Space Industries Ltd | 42 |
6 |
| Somfy Activites SA | 475 |
6 |
| Crestron Electronics Inc. | 649 |
5 |
| Hunter Douglas Industries BV | 270 |
5 |
| Leafy Windoware Co., Ltd. | 25 |
5 |
| Coulisse B.V. | 46 |
4 |
| Overhead Door Corporation | 294 |
4 |
| Fourds Limited | 38 |
3 |
| IKEA Supply AG | 272 |
3 |
| Pella Corporation | 205 |
3 |
| Springs Window Fashions, LLC | 87 |
3 |
| The Watt Stopper, Inc. | 105 |
3 |
| MCD Innovations, Inc. | 8 |
3 |
| Lutron Technology Company LLC | 2300 |
3 |
| Guangzhou Tusunny Home Products Co.,Ltd | 10 |
3 |
| Screenaway USA Pty Ltd | 5 |
3 |
| Ningbo Zhenfei Decorated Curtain Co., Ltd. | 9 |
3 |
| Airxcel, Inc. | 37 |
2 |
| Other owners | 74 |