E05C 17/00

Devices for holding wings open

Official title: 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 (combined with hinges E05D11/00; combined with operating apparatus for wings E05F; other braking devices, stops, buffers E05F5/00)

E05C17/00 (Devices for holding wings open) appears on 1,652 US grants and 1,301 published applications in this corpus.

Search patents in E05C

Granted patents: 1,652
Published applications: 1,301
Assignees: 713
Inventors: 2,852
Latest grant: 15 Sep 2026

Filings by year

E05C 17/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	21	0
1977	18	0
1978	33	0
1979	6	0
1980	20	0
1981	19	0
1982	11	0
1983	7	0
1984	27	0
1985	16	0
1986	26	0
1987	32	0
1988	23	0
1989	32	0
1990	24	0
1991	29	0
1992	27	0
1993	25	0
1994	26	0
1995	37	0
1996	46	0
1997	36	0
1998	30	0
1999	33	0
2000	30	0
2001	18	8
2002	33	29
2003	38	37
2004	18	39
2005	29	40
2006	21	59
2007	23	39
2008	26	48
2009	28	47
2010	22	44
2011	22	43
2012	25	35
2013	42	47
2014	48	53
2015	47	60
2016	42	68
2017	57	70
2018	41	67
2019	57	79
2020	71	82
2021	55	64
2022	60	53
2023	57	54
2024	53	50
2025	53	48
2026	32	38

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Devices for holding wings open

Filings by year

Subgroups

Recent patents

Most cited