- 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: 209
10-year publication summary
|
27
|
23
|
33
|
17
|
16
|
16
|
15
|
26
|
18
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 894 |
17 |
| Teh Yor Co., Ltd. | 127 |
11 |
| Lutron Technology Company LLC | 2749 |
9 |
| Somfy Activites SA | 538 |
6 |
| Ningbo Zhenfei Decorated Curtain Co., Ltd. | 16 |
6 |
| Whole Space Industries Co., Ltd | 32 |
6 |
| Crestron Electronics Inc. | 718 |
5 |
| Hunter Douglas Industries BV | 263 |
5 |
| Leafy Windoware Co., Ltd. | 41 |
5 |
| Ublockout Technologies Pty Ltd | 6 |
5 |
| Coulisse B.V. | 47 |
4 |
| Huang, Chien Fong | 36 |
4 |
| Overhead Door Corporation | 324 |
4 |
| Pella Corporation | 255 |
4 |
| Springs Window Fashions, LLC | 95 |
4 |
| 7912854 Canada Inc. | 49 |
4 |
| Fourds Limited | 35 |
3 |
| The Watt Stopper, Inc. | 97 |
3 |
| WinTec Korea Inc. | 33 |
3 |
| MCD Innovations, Inc. | 5 |
3 |
| Other owners | 98 |