- 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 3/08 - 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 arranged in the direction of the axis of the piston
Patent holdings for IPC class E05F 3/08
Total number of patents in this class: 20
10-year publication summary
|
3
|
0
|
2
|
7
|
2
|
3
|
3
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Locinox | 30 |
10 |
| in & Tec S.r.l. | 77 |
2 |
| Nitto Kohki Co., Ltd. | 280 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Sugatsune Kogyo Co., Ltd. | 284 |
1 |
| Waterson Corp. | 12 |
1 |
| Waterson Chen | 3 |
1 |
| Firstcloser. Co. Ltd. | 1 |
1 |
| Partstec Construction Co., Ltd | 5 |
1 |
| Other owners | 0 |