- 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 9/56 - Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
Patent holdings for IPC class E06B 9/56
Total number of patents in this class: 286
10-year publication summary
|
31
|
23
|
30
|
24
|
20
|
19
|
12
|
14
|
21
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 934 |
32 |
| Rytec Corporation | 126 |
11 |
| Maxxmar Inc. | 76 |
9 |
| MechoShade Systems, LLC | 132 |
8 |
| Crestron Electronics Inc. | 649 |
6 |
| Rite-Hite Holding Corporation | 649 |
6 |
| Tachikawa Corporation | 86 |
5 |
| WinTec Korea Inc. | 32 |
5 |
| Automatic Technology (Australia) Pty Ltd | 77 |
4 |
| DYNACO Europe NV | 8 |
4 |
| Hunter Douglas Industries BV | 270 |
4 |
| Cornellcookson, LLC | 152 |
4 |
| Assa Abloy Entrance Systems AB | 451 |
3 |
| Bank of America, N.A. | 274 |
3 |
| Centor Design Pty Ltd | 43 |
3 |
| Dynamic Closures Corporation | 26 |
3 |
| Metaco Inc. | 37 |
3 |
| Overhead Door Corporation | 294 |
3 |
| Rollease, Inc. | 12 |
3 |
| Teh Yor Co., Ltd. | 117 |
3 |
| Other owners | 164 |