- 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 closures; Spring drums; Tape drums; Counterweighting 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: 205
10-year publication summary
|
26
|
19
|
28
|
23
|
39
|
15
|
22
|
18
|
35
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 934 |
23 |
| MechoShade Systems, LLC | 132 |
18 |
| Hunter Douglas Industries BV | 270 |
10 |
| Lutron Technology Company LLC | 2300 |
10 |
| Maxxmar Inc. | 76 |
8 |
| Teh Yor Co., Ltd. | 117 |
7 |
| Fourds Limited | 38 |
6 |
| Whole Space Industries Ltd | 42 |
5 |
| Z.m.c. Metal Coating Inc. | 64 |
5 |
| Louver-Lite Limited | 106 |
4 |
| Gaviota Simbac, S.L. | 44 |
3 |
| Huang, Chien Fong | 32 |
3 |
| Lutron Electronics Co., Inc. | 541 |
3 |
| Springs Window Fashions, LLC | 87 |
3 |
| Larson Manufacturing Company of South Dakota, LLC | 66 |
3 |
| The Boeing Company | 19843 |
2 |
| Chen Tian Co., Ltd. | 8 |
2 |
| Coulisse B.V. | 46 |
2 |
| Glide Rite Corporation | 7 |
2 |
| Lewis Hyman, Inc. | 26 |
2 |
| Other owners | 84 |