- All sections
- E - Fixed constructions
- E05F - Devices for moving wings into open or closed position; checks for wings; wing fittings not otherwise provided for, concerned with the functioning of the wing
- E05F 3/06 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis perpendicular to the axis of the piston
Patent holdings for IPC class E05F 3/06
Total number of patents in this class: 13
10-year publication summary
|
1
|
0
|
1
|
5
|
3
|
1
|
2
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hardware Resources, Inc. | 160 |
2 |
| Foshan Tiansi Hardware Co., Ltd | 5 |
2 |
| Fujian Xihe Sanitary Ware Technology Co., Ltd. | 109 |
1 |
| Sugatsune Kogyo Co., Ltd. | 284 |
1 |
| dormakaba Deutschland GmbH | 278 |
1 |
| Samet Kalip ve Maden Esya San. ve Tic. A.S. | 76 |
1 |
| Liang, Peiling | 4 |
1 |
| Foshan Shunde Qili Electrical Co., Ltd. | 1 |
1 |
| Samet Kalip ve Madeni̇ Eşya San Ti̇c. A.ş | 18 |
1 |
| WU, Tengqing | 3 |
1 |
| Ningbo Pentagon Damper Corporation | 3 |
1 |
| Other owners | 0 |