- All sections
- A - Human necessities
- A45D - Hairdressing or shaving equipment equipment for cosmetics or cosmetic treatments, e.g. for manicuring or pedicuring
- A45D 20/20 - Helmets without hot air supply or other ventilation, e.g. electrically heated
Patent holdings for IPC class A45D 20/20
Total number of patents in this class: 18
10-year publication summary
|
0
|
2
|
2
|
1
|
0
|
1
|
0
|
3
|
2
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22147 |
3 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 10890 |
2 |
| Wella Aktien Gesellschaft | 60 |
2 |
| Rovcal, Inc. | 14 |
1 |
| SEB S.A. | 1607 |
1 |
| Wella Aktiengesellschaft | 16 |
1 |
| Guangzhou YONA IMPORT AND EXPORT CO.,LIMITED | 5 |
1 |
| Tight & Right Hair Revolution, Inc. | 5 |
1 |
| Leshow Electronic Technology Co. Ltd. | 2 |
1 |
| Leshow Electronic Technology Co. Ltd., Hangzhou | 7 |
1 |
| MCMURRAY, Gary, Lee | 1 |
1 |
| QUINN, Charles, Edward | 1 |
1 |
| Kunshan Yalikang Electronic Technology Co., Ltd. | 1 |
1 |
| THOMAS, Danielle, Elizabeth | 1 |
1 |
| Other owners | 0 |