- 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: 185
10-year publication summary
|
18
|
27
|
23
|
33
|
17
|
16
|
16
|
14
|
21
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 893 |
17 |
| Teh Yor Co., Ltd. | 128 |
10 |
| Somfy Activites SA | 496 |
6 |
| Lutron Technology Company LLC | 2532 |
6 |
| Whole Space Industries Co., Ltd | 27 |
6 |
| Crestron Electronics Inc. | 704 |
5 |
| Hunter Douglas Industries BV | 285 |
5 |
| Leafy Windoware Co., Ltd. | 33 |
5 |
| Ublockout Technologies Pty Ltd | 6 |
5 |
| Coulisse B.V. | 47 |
4 |
| Huang, Chien Fong | 35 |
4 |
| Overhead Door Corporation | 306 |
4 |
| Springs Window Fashions, LLC | 90 |
4 |
| Ningbo Zhenfei Decorated Curtain Co., Ltd. | 10 |
4 |
| Fourds Limited | 35 |
3 |
| Pella Corporation | 227 |
3 |
| The Watt Stopper, Inc. | 93 |
3 |
| MCD Innovations, Inc. | 5 |
3 |
| Guangzhou Tusunny Home Products Co.,Ltd | 26 |
3 |
| Airxcel, Inc. | 46 |
2 |
| Other owners | 83 |