- All sections
- E - Fixed constructions
- E05C - Bolts or fastening devices for wings, specially for doors or windows
- E05C 3/28 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring-controlled in the form of a bifurcated member engaging a stud-like keeper with simultaneously-operating double bolts
Patent holdings for IPC class E05C 3/28
Total number of patents in this class: 7
10-year publication summary
|
0
|
0
|
2
|
2
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Southco, Inc. | 250 |
2 |
| The Boeing Company | 20090 |
1 |
| Camlock Systems Limited | 12 |
1 |
| VKR Holding A/S | 570 |
1 |
| Indulocks Cerraduras Insustriales SL | 1 |
1 |
| SFS Group International AG | 171 |
1 |
| Other owners | 0 |