E05F 3/224
For assisting in opening the wing
Official title: {for assisting in opening the wing}
E05F3/224 (For assisting in opening the wing) appears on 82 US grants and 69 published applications in this corpus.
Search patents in E05F- Granted patents
- 82
- Published applications
- 69
- Assignees
- 54
- Inventors
- 166
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 4 |
| 2005 | 3 | 1 |
| 2006 | 2 | 4 |
| 2007 | 1 | 0 |
| 2008 | 0 | 5 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 3 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 4 |
| 2017 | 3 | 4 |
| 2018 | 3 | 4 |
| 2019 | 2 | 6 |
| 2020 | 6 | 6 |
| 2021 | 7 | 6 |
| 2022 | 5 | 4 |
| 2023 | 6 | 5 |
| 2024 | 1 | 1 |
| 2025 | 3 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Telescopic rod structure and adjustable box6 Oct 2026US 12,752,970 B2Taizhou Sukk Technology Co., Ltd
- Door opening speed controller and automatic opening structure for an appliance23 Jun 2026US 12,666,505 B2LG Electronics Inc.
- Door opening and closing device5 May 2026US 12,618,279 B2Mitsui Kinzoku Act Corporation
- Drive device for pivoting a leaf, hinged door or casement window assembly, and use of the drive device for a hinged door or casement window drive6 Jan 2026US 12,516,563 B2Dormakaba Deutschland GmbH
- Drive device for moving a leaf30 Sep 2025US 12,428,894 B2Dormakaba Deutschland GmbH
- Refrigerator30 Apr 2026US 2026/0118045 A1Samsung Electronics Co., Ltd.
- Door opening and closing device30 Jan 2025US 2025/0034927 A1Mitsui Kinzoku Act Corporation
- Latch holder having automatic opening structure and an appliance with automatic opening door using latch holder2 Jan 2025US 2025/0008615 A1LG Electronics Inc.
- Telescopic rod structure and adjustable box19 Dec 2024US 2024/0418191 A1Taizhou Sukk Technology Co., Ltd
- Drive device for moving a leaf21 Dec 2023US 2023/0407694 A1Dormakaba Deutschland GmbH
Most cited
By later US patents
- Axial door operator101US 6,481,160 B1The Stanley Works · 2002
- Method for controlling the operational modes of a door in conjunction with a mechanical door control mechanism86US 5,913,763 ADorma Door Controls, Inc. · 1999
- Automatic door operator for swing doors81US 4,501,090 AChikura Kogyo Kabushiki Kaisha · 1985
- Apparatus for selective alteration of operating parameters of a door80US 5,687,507 ADorma Door Controls, Inc. · 1997
- Door operator for controlling a door and method of same80US 8,169,169 B22012