E01F 15/0453
Rails of materials other than metal or concrete
Official title: {Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes (E01F15/0476 takes precedence; reinforced concrete rails E01F15/0446)}
E01F15/0453 (Rails of materials other than metal or concrete) appears on 82 US grants and 67 published applications in this corpus.
Search patents in E01F- Granted patents
- 82
- Published applications
- 67
- Assignees
- 37
- Inventors
- 144
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 4 |
| 2003 | 6 | 2 |
| 2004 | 3 | 6 |
| 2005 | 4 | 3 |
| 2006 | 0 | 3 |
| 2007 | 1 | 7 |
| 2008 | 3 | 6 |
| 2009 | 4 | 1 |
| 2010 | 3 | 4 |
| 2011 | 2 | 0 |
| 2012 | 1 | 3 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 4 |
| 2019 | 1 | 3 |
| 2020 | 3 | 2 |
| 2021 | 3 | 3 |
| 2022 | 0 | 4 |
| 2023 | 3 | 0 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Barrier system7 Oct 2025US 12,435,479 B2NUtech Ventures
- System for illuminating a carriageway in a case of fog30 Jul 2024US 12,049,736 B2
- Road safety barrier assembly for detecting an impact of a vehicle2 Jul 2024US 12,024,834 B2
- Safety end piece for road barriers20 Feb 2024US 11,905,670 B2
- Road safety barrier23 Jan 2024US 11,879,218 B2
- Guardrail28 May 2026US 2026/0146396 A1Margaritelli Ferroviaria S.P.A.
- Vehicle Collision Impact Reduction Device16 Apr 2026US 2026/0103159 A1
- Crash barrier and method for installing same29 Jan 2026US 2026/0028786 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- A bamboo based crash barrier for roads or highways10 Apr 2025US 2025/0116080 A1
- Improvements relating to protector bollards, barrier posts and barrier rails20 Jun 2024US 2024/0200291 A1Auto Mossa Holdings Limited
Most cited
By later US patents
- Guard rail assembly for roads54US 5,152,507 A1992
- Rubber adaptor for highway guardrail49US 5,429,449 A1995
- Vehicle guardrail with metal core38US 3,963,218 AAcieries Reunies de Burbach-Eich-Dudelange S.A. ARBED · 1976
- Composite material highway guardrail having high impact energy dissipation characteristics36US 6,149,134 AWisconsin Alumni Research Foundation · 2000
- Guard rail assembly31US 4,739,971 A1988