- 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 9/78 - Operating, guiding or securing devices or arrangements for roll-type closuresSpring drumsTape drumsCounterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
Patent holdings for IPC class E06B 9/78
Total number of patents in this class: 222
10-year publication summary
|
19
|
28
|
24
|
39
|
15
|
22
|
20
|
36
|
25
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 893 |
27 |
| MechoShade Systems, LLC | 137 |
21 |
| Lutron Technology Company LLC | 2532 |
11 |
| Hunter Douglas Industries BV | 285 |
9 |
| Maxxmar Inc. | 74 |
8 |
| Teh Yor Co., Ltd. | 128 |
7 |
| Fourds Limited | 35 |
6 |
| Springs Window Fashions, LLC | 91 |
6 |
| Louver-Lite Limited | 114 |
4 |
| Z.m.c. Metal Coating Inc. | 59 |
4 |
| Whole Space Industries Co., Ltd | 34 |
4 |
| Huang, Chien Fong | 35 |
3 |
| Lutron Electronics Co., Inc. | 537 |
3 |
| Rollease Acmeda Inc. | 41 |
3 |
| Shady Lane Curtains, LLC | 6 |
3 |
| Ningbo Liyang New Material Company Limited | 69 |
3 |
| Larson Manufacturing Company of South Dakota, LLC | 63 |
3 |
| Chen Tian Co., Ltd. | 8 |
2 |
| Coulisse B.V. | 47 |
2 |
| Draper, Inc. | 66 |
2 |
| Other owners | 91 |