- 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 3/22 - Additional arrangements for closers, e.g. for holding the wing in opened or other position
Patent holdings for IPC class E05F 3/22
Total number of patents in this class: 310
10-year publication summary
|
17
|
19
|
25
|
37
|
37
|
33
|
39
|
28
|
21
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlage Lock Company LLC | 1230 |
38 |
| DORMA GmbH + Co. KG | 168 |
30 |
| dormakaba Deutschland GmbH | 278 |
26 |
| Assa Abloy Accessories and Door Controls Group, Inc. | 170 |
10 |
| Assa Abloy Entrance Systems AB | 451 |
8 |
| Geze GmbH | 177 |
7 |
| Abloy Oy | 161 |
6 |
| Cmech (Guangzhou) Ltd. | 49 |
6 |
| ASSA ABLOY Sicherheitstechnik GmbH | 130 |
5 |
| Yale Security Inc. | 66 |
5 |
| Larson Manufacturing Company of South Dakota, LLC | 66 |
5 |
| LG Electronics Inc. | 69257 |
4 |
| Julius Blum GmbH | 1156 |
4 |
| Assa Abloy AB | 1260 |
3 |
| Hampton Products International Corporation | 174 |
3 |
| Hettich-oni GmbH & Co. KG | 115 |
3 |
| I-Tek Metal Mfg. Co., Ltd. | 93 |
3 |
| Masonite Corporation | 461 |
3 |
| Warren Industries Ltd. | 22 |
3 |
| Cmblu Energy AG | 36 |
3 |
| Other owners | 135 |