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E04F 11/184

Of variable curvature

Official title: {of variable curvature; flexible}

E04F11/184 (Of variable curvature) appears on 8 US grants and 3 published applications in this corpus.

Search patents in E04F

Granted patents: 8
Published applications: 3
Assignees: 3
Inventors: 9
Latest grant: 13 Jan 2026

Filings by year

E04F 11/184: granted patents and published applications per publication year
Year	Granted patents	Published applications
1979	1	0
1980	1	0
1981	0	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	1	0
1987	1	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	1	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	1
2016	0	0
2017	0	0
2018	0	0
2019	1	1
2020	0	1
2021	0	0
2022	0	0
2023	1	0
2024	0	0
2025	0	0
2026	1	0

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

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