- All sections
- A - Human necessities
- A45B - Walking sticksumbrellasladies' or like fans
- A45B 25/22 - Devices for increasing the resistance of umbrellas to wind
Patent holdings for IPC class A45B 25/22
Total number of patents in this class: 61
10-year publication summary
|
12
|
17
|
7
|
11
|
15
|
5
|
6
|
7
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shedrain Corporation | 129 |
25 |
| Xiamen Mingho Brothers MFG Co., Ltd. | 15 |
2 |
| Zhejiang Zhengte Co., Ltd. | 121 |
2 |
| Zhejiang Yotrio Group Co., Ltd. | 88 |
2 |
| Weatherman Inc. | 14 |
2 |
| Umbrella Saver Inc. | 3 |
2 |
| VALUEBANK Co., Ltd | 5 |
2 |
| Bacik, Kathleen | 1 |
1 |
| Brand Developers Aust Pty Ltd | 8 |
1 |
| Brand Developers Ltd. | 51 |
1 |
| Bwbt, LLC | 1 |
1 |
| D'Firo Design, Inc. | 2 |
1 |
| Phaeton Manufacturing LLC | 18 |
1 |
| Senz Technologies B.V. | 2 |
1 |
| Smart Innovation AS | 3 |
1 |
| Tsun-Zong Wu | 2 |
1 |
| Yotrio Group Co., Ltd. | 90 |
1 |
| Ellen D. Fitzgerald | 2 |
1 |
| Plv S.r.l. | 5 |
1 |
| Metricolor, LLC | 1 |
1 |
| Other owners | 11 |