E01F 15/143
Protecting devices located at the ends of barriers
Official title: {Protecting devices located at the ends of barriers (E01F15/145 takes precedence)}
E01F15/143 (Protecting devices located at the ends of barriers) appears on 135 US grants and 102 published applications in this corpus.
Search patents in E01F- Granted patents
- 135
- Published applications
- 102
- Assignees
- 50
- Inventors
- 141
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 4 |
| 2003 | 4 | 5 |
| 2004 | 3 | 1 |
| 2005 | 2 | 5 |
| 2006 | 4 | 3 |
| 2007 | 3 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 8 |
| 2013 | 6 | 2 |
| 2014 | 4 | 5 |
| 2015 | 4 | 5 |
| 2016 | 7 | 9 |
| 2017 | 12 | 7 |
| 2018 | 6 | 6 |
| 2019 | 9 | 3 |
| 2020 | 3 | 2 |
| 2021 | 3 | 7 |
| 2022 | 4 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 4 |
| 2025 | 2 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impact nose wedge8 Sep 2026US 12,729,496 B2Lindsay Transportation Solutions, Inc.
- Flexible tensioned crash barrier4 Aug 2026US 12,698,607 B2Robos International Limited
- Pedestrian access terminal10 Mar 2026US 12,571,258 B2RSG International Corp.
- Guardrail terminal13 May 2025US 12,297,611 B2Sicking Safety Systems LLC
- Crash cushion18 Feb 2025US 12,227,910 B2Valtir LLC
- Dynamic Pedestrian Access Terminal23 Oct 2025US 2025/0327255 A1RSG International Corp.
- Guardrail terminal28 Aug 2025US 2025/0270777 A1Sicking Safety Systems LLC
- Flexible tensioned crash barrier31 Jul 2025US 2025/0243636 A1Robos International Limited
- Impact nose wedge29 May 2025US 2025/0171969 A1Lindsay Transportation Solutions, Inc.
- Guardrail terminal and guardrail assembly11 Jul 2024US 2024/0229388 A1Sicking Safety Systems LLC
Most cited
By later US patents
- Vehicle crash barrier119US 5,022,782 AEnergy Absorption Systems, Inc. · 1991
- Energy absorbing guardrail terminal93US 4,655,434 ASouthwest Research Institute · 1987
- Metal beam rail terminal89US 5,391,016 AThe Texas A&M University System · 1995
- Crash attenuation system86US 6,308,809 B1Safety By Design, Inc. · 2001
- Guardrail extruder terminal84US 5,078,366 AThe Texas A&M University System · 1992