- 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 9/322 - Details of operating devices, e.g. pulleys, brakes, spring drums, drives
Patent holdings for IPC class E06B 9/322
Total number of patents in this class: 759
10-year publication summary
|
82
|
87
|
84
|
91
|
57
|
59
|
75
|
45
|
54
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 898 |
128 |
| Teh Yor Co., Ltd. | 127 |
66 |
| Lutron Technology Company LLC | 2552 |
49 |
| Nien Made Enterprise Co., Ltd. | 149 |
37 |
| Hunter Douglas Industries BV | 283 |
30 |
| Huang, Chien Fong | 35 |
26 |
| Tachikawa Corporation | 84 |
21 |
| Somfy Activites SA | 497 |
17 |
| Springs Window Fashions, LLC | 90 |
16 |
| Chin-Fu Chen | 17 |
13 |
| Ching Feng Home Fashions Co., Ltd. | 36 |
13 |
| Taicang Kingfu Plastic Manufacture Co., Ltd. | 23 |
13 |
| Hall Labs, LLC | 149 |
11 |
| Maxxmar Inc. | 76 |
10 |
| Nichiban Co., Ltd. | 186 |
8 |
| Leafy Windoware Co., Ltd. | 33 |
8 |
| Comfortex Window Fashions | 12 |
7 |
| Lutron Electronics Co., Inc. | 541 |
7 |
| Ryse Inc. | 21 |
7 |
| Pellini S.p.A. | 47 |
6 |
| Other owners | 266 |