- All sections
- A - Human necessities
- A47H - Furnishings for windows or doors
- A47H 23/04 - Shapes of curtains
Patent holdings for IPC class A47H 23/04
Total number of patents in this class: 34
10-year publication summary
|
6
|
1
|
5
|
5
|
1
|
2
|
1
|
4
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Douglas Inc. | 898 |
11 |
| Cintas Corporate Services, Inc. | 68 |
3 |
| Daekyeong Triple Co., Ltd. | 8 |
2 |
| Silent Gliss International AG | 25 |
2 |
| Winplus Co., Ltd. | 21 |
2 |
| The Boeing Company | 20117 |
1 |
| Cambridge International, Inc. | 101 |
1 |
| Hayashiguchi MFG Co., Ltd. | 16 |
1 |
| Kazuma Co., Ltd. | 6 |
1 |
| Knoll, Inc. | 368 |
1 |
| Lutron Electronics Co., Inc. | 541 |
1 |
| YKK Corporation of America | 43 |
1 |
| DANI Designs Co, LLC | 5 |
1 |
| Hangzhou China Home Textiles Industry Co., Ltd. | 9 |
1 |
| Harry Miller Co., LLC | 25 |
1 |
| Aviland Co., Ltd. | 1 |
1 |
| FUKUDA Kana | 1 |
1 |
| The Hmz Company Pty Ltd | 5 |
1 |
| Soft Goods Operating, LLC | 81 |
1 |
| Other owners | 0 |