E01F 13/126
Pitfall barriers, causing the vehicle to face a step-like obstruction
Official title: {Pitfall barriers, causing the vehicle to face a step-like obstruction}
E01F13/126 (Pitfall barriers, causing the vehicle to face a step-like obstruction) appears on 28 US grants and 27 published applications in this corpus.
Search patents in E01F- Granted patents
- 28
- Published applications
- 27
- Assignees
- 15
- Inventors
- 39
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 5 |
| 2008 | 2 | 3 |
| 2009 | 1 | 0 |
| 2010 | 4 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 5 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Traffic barriers33US 4,367,975 AControlec Limited · 1983
- Apparatus for signaling direction of travel on a road bed25US 4,332,503 A1982
- Vehicular road block24US 4,554,695 A1985
- Vehicle trap15US 4,647,246 AInternational Security Consultants Ltd. · 1987
- Vehicle barrier system11US 7,128,496 B2Rock Twelve, LLC · 2006