E01F 13/12

Arrangements for obstructing or restricting traffic: for forcibly arresting or disabling vehicles

Official title: for forcibly arresting or disabling vehicles, e.g. spiked mats

E01F13/12 (Arrangements for obstructing or restricting traffic: for forcibly arresting or disabling vehicles) appears on 451 US grants and 430 published applications in this corpus.

Search patents in E01F

Granted patents: 451
Published applications: 430
Assignees: 192
Inventors: 653
Latest grant: 29 Sep 2026

Filings by year

E01F 13/12: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	2	0
1978	3	0
1979	1	0
1980	0	0
1981	0	0
1982	3	0
1983	2	0
1984	1	0
1985	2	0
1986	4	0
1987	5	0
1988	2	0
1989	4	0
1990	2	0
1991	2	0
1992	1	0
1993	2	0
1994	5	0
1995	1	0
1996	9	0
1997	3	0
1998	12	0
1999	10	0
2000	6	0
2001	7	0
2002	5	2
2003	3	5
2004	5	9
2005	7	16
2006	19	24
2007	13	22
2008	12	20
2009	10	26
2010	23	18
2011	22	19
2012	22	16
2013	15	9
2014	12	15
2015	14	11
2016	14	18
2017	8	6
2018	11	17
2019	17	29
2020	17	25
2021	14	31
2022	20	28
2023	23	24
2024	25	18
2025	18	11
2026	12	11

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

Arrangements for obstructing or restricting traffic: for forcibly arresting or disabling vehicles

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