- 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 3/04 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
Patent holdings for IPC class E05F 3/04
Total number of patents in this class: 112
10-year publication summary
|
6
|
12
|
9
|
12
|
4
|
9
|
12
|
7
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cmech (Guangzhou) Ltd. | 50 |
8 |
| Schlage Lock Company LLC | 1276 |
8 |
| Moshun, LLC | 48 |
7 |
| DORMA GmbH + Co. KG | 139 |
6 |
| Nifco Inc. | 1107 |
6 |
| LG Electronics Inc. | 70831 |
3 |
| Julius Blum GmbH | 1193 |
3 |
| dormakaba Deutschland GmbH | 282 |
3 |
| Colcom Group S.p.A. | 23 |
3 |
| Adams Rite Aerospace, Inc. | 14 |
2 |
| Anthony, Inc. | 134 |
2 |
| Hampton Products International Corporation | 182 |
2 |
| Sugatsune Kogyo Co., Ltd. | 272 |
2 |
| Wabtec Holding Corp. | 388 |
2 |
| Warren Industries Ltd. | 22 |
2 |
| Guangdong Jinli Xiangxing Precision Hardware Manufacture Co.,Ltd. | 18 |
2 |
| Assa Abloy Accessories and Door Controls Group, Inc. | 180 |
2 |
| WDI (Zhangzhou) Plumbing Co., Ltd. | 2 |
2 |
| USM U. Scharer Sohne AG | 68 |
2 |
| MTX Hybrid Co., Ltd. | 6 |
2 |
| Other owners | 43 |