- All sections
- E - Fixed constructions
- E05C - Bolts or fastening devices for wings, specially for doors or windows
- E05C 17/58 - Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith operated or controlled from a distance
Patent holdings for IPC class E05C 17/58
Total number of patents in this class: 5
10-year publication summary
|
1
|
2
|
1
|
0
|
1
|
0
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Northrop Grumman Systems Corporation | 2922 |
2 |
| Amazon Technologies, Inc. | 25884 |
1 |
| Fire & Security Hardware Pty Ltd | 16 |
1 |
| Fortin Auto Radio Inc. | 2 |
1 |
| Other owners | 0 |