E01F 13/00

Arrangements for obstructing or restricting traffic

Official title: Arrangements for obstructing or restricting traffic, e.g. gates, barricades (for railway crossings B61L ){; Preventing passage of vehicles of selected category or dimensions (E01F13/12, E01F13/126 take precedence)}

E01F13/00 (Arrangements for obstructing or restricting traffic) appears on 1,386 US grants and 1,263 published applications in this corpus.

Search patents in E01F

Granted patents: 1,386
Published applications: 1,263
Assignees: 671
Inventors: 2,221
Latest grant: 6 Oct 2026

Filings by year

E01F 13/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	10	0
1977	15	0
1978	12	0
1979	5	0
1980	10	0
1981	8	0
1982	16	0
1983	7	0
1984	7	0
1985	13	0
1986	18	0
1987	17	0
1988	12	0
1989	24	0
1990	21	0
1991	19	0
1992	13	0
1993	15	0
1994	20	0
1995	31	0
1996	26	0
1997	17	0
1998	27	0
1999	25	0
2000	31	0
2001	26	5
2002	23	23
2003	16	22
2004	22	40
2005	23	46
2006	31	63
2007	31	60
2008	29	47
2009	29	54
2010	47	52
2011	37	46
2012	41	40
2013	35	41
2014	34	46
2015	40	48
2016	42	50
2017	42	53
2018	40	48
2019	50	72
2020	43	68
2021	43	68
2022	54	73
2023	51	65
2024	56	61
2025	50	45
2026	32	27

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

Arrangements for obstructing or restricting traffic

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