E04H 3/00

Buildings or groups of buildings for public or similar purposes

Official title: Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons

E04H3/00 (Buildings or groups of buildings for public or similar purposes) appears on 1,330 US grants and 1,141 published applications in this corpus.

Search patents in E04H

Granted patents: 1,330
Published applications: 1,141
Assignees: 620
Inventors: 2,150
Latest grant: 6 Oct 2026

Filings by year

E04H 3/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	12	0
1977	20	0
1978	17	0
1979	11	0
1980	13	0
1981	17	0
1982	8	0
1983	7	0
1984	10	0
1985	8	0
1986	22	0
1987	19	0
1988	19	0
1989	22	0
1990	30	0
1991	25	0
1992	19	0
1993	24	0
1994	28	0
1995	13	0
1996	14	0
1997	26	0
1998	33	0
1999	28	0
2000	31	0
2001	26	2
2002	18	15
2003	15	19
2004	12	26
2005	14	19
2006	9	17
2007	9	25
2008	7	33
2009	12	51
2010	20	36
2011	19	47
2012	31	53
2013	37	46
2014	57	68
2015	58	69
2016	56	73
2017	59	79
2018	54	63
2019	68	64
2020	53	74
2021	55	61
2022	37	62
2023	44	48
2024	37	40
2025	31	28
2026	16	23

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

Buildings or groups of buildings for public or similar purposes

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