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
| 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.
Subgroups
Granted patents
Recent patents
- Barrier post with safety means6 Oct 2026US 12,753,558 B2Ans Development Co.,Ltd.
- Tire spiker with extendable handle29 Sep 2026US 12,747,552 B2
- Breakaway chain29 Sep 2026US 12,747,774 B2Fasteners for Retail, Inc.
- Mobile barrier15 Sep 2026US 12,735,851 B1
- Vehicle arresting system1 Sep 2026US 12,722,797 B2Runway Safe IPR AB
- Bollard1 Oct 2026US 2026/0297872 A1Atg Access Ltd.
- Modular barrier1 Oct 2026US 2026/0297873 A1Atg Access Ltd.
- Vehicle arresting system24 Sep 2026US 2026/0286629 A1Systemes Versilis Inc.
- Portable road block17 Sep 2026US 2026/0275664 A1
- Retractable Banner Assembly With An Interchangeable Banner Cartridge Assembly17 Sep 2026US 2026/0275665 A1Modus, Co.
Most cited
By later US patents
- Portable fence119US 5,402,988 ASpecialty Recreation Equipment, Inc. · 1995
- Vehicle disabling device and method119US 5,503,059 A1996
- Control barrier systems87US 5,836,714 AOff The Wall Production, Inc. · 1998
- Bollard trafficway barrier and vehicle arrest system75US 4,576,508 A1986
- Crowd control barrier system74US 5,611,641 A1997