- All sections
- A - Human necessities
- A47H - Furnishings for windows or doors
- A47H 23/01 - Bottom bars for stretching hanging curtainsMagnets, slide fasteners, or the like to improve closing of curtains
Patent holdings for IPC class A47H 23/01
Total number of patents in this class: 42
10-year publication summary
|
9
|
9
|
4
|
4
|
5
|
5
|
4
|
3
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lutron Technology Company LLC | 2748 |
10 |
| Zipwall, LLC | 79 |
4 |
| ABO Window Fashion Corp | 11 |
3 |
| Hunter Douglas Inc. | 893 |
3 |
| Ching Feng Home Fashions Co., Ltd. | 38 |
2 |
| Shan-Chi Chuang | 3 |
2 |
| 3m Innovative Properties Company | 17488 |
1 |
| Dai Nippon Printing Co., Ltd. | 4237 |
1 |
| Aquatic Co. | 29 |
1 |
| B+m Textil GmbH & Co. KG | 15 |
1 |
| CALENDAR Enterprises Co., Ltd. | 6 |
1 |
| Current Products Corp. | 45 |
1 |
| Hayashiguchi MFG Co., Ltd. | 16 |
1 |
| Lutron Electronics Co., Inc. | 519 |
1 |
| McKeon Rolling Steel Door Co., Inc. | 37 |
1 |
| Renson Sunprotection-Screens NV | 40 |
1 |
| SPP Industries Holdings Pty Ltd | 9 |
1 |
| Widemex International B.V. | 22 |
1 |
| Won-Door Corporation | 101 |
1 |
| DANI Designs Co, LLC | 5 |
1 |
| Other owners | 4 |