E01F 15/04
Essentially made of longitudinal beams or rigid strips supported above ground at
Official title: essentially made of longitudinal beams or rigid strips {supported above ground at spaced points (E01F15/10, E01F15/12 take precedence)}
E01F15/04 (Essentially made of longitudinal beams or rigid strips supported above ground at) appears on 430 US grants and 349 published applications in this corpus.
Search patents in E01F- Granted patents
- 430
- Published applications
- 349
- Assignees
- 198
- Inventors
- 637
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 17 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 27 | 5 |
| 2002 | 12 | 20 |
| 2003 | 24 | 14 |
| 2004 | 11 | 17 |
| 2005 | 9 | 17 |
| 2006 | 3 | 15 |
| 2007 | 7 | 16 |
| 2008 | 4 | 23 |
| 2009 | 15 | 10 |
| 2010 | 10 | 13 |
| 2011 | 7 | 11 |
| 2012 | 6 | 11 |
| 2013 | 10 | 7 |
| 2014 | 9 | 16 |
| 2015 | 8 | 8 |
| 2016 | 10 | 13 |
| 2017 | 10 | 10 |
| 2018 | 8 | 17 |
| 2019 | 11 | 18 |
| 2020 | 14 | 12 |
| 2021 | 12 | 20 |
| 2022 | 10 | 14 |
| 2023 | 13 | 18 |
| 2024 | 14 | 7 |
| 2025 | 10 | 6 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Barrier systems with impact resistant rails that extend along the floor4 Aug 2026US 12,698,606 B2Rite-Hite Holding Corporation
- Modular free-standing ballasted guardrail system26 May 2026US 12,637,868 B2Sayfa R&D Pty Ltd
- Barrier systems with impact resistant rails supported from floor mounted post bases7 Apr 2026US 12,595,631 B2Rite-Hite Holding Corporation
- Guard rail system31 Mar 2026US 12,590,427 B2McCue Corporation
- Pedestrian access terminal10 Mar 2026US 12,571,258 B2RSG International Corp.
- Guard rail beam27 Aug 2026US 2026/0250919 A1Nippon Steel Corporation
- Barrier systems with impact resistant rails supported from floor mounted post bases30 Jul 2026US 2026/0218463 A1Rite-Hite Holding Corporation
- Guard Rail System9 Jul 2026US 2026/0193856 A1McCue Corporation
- Guardrail28 May 2026US 2026/0146396 A1Margaritelli Ferroviaria S.P.A.
- Anchoring System for a Traffic Barrier21 May 2026US 2026/0139448 A1RSG International Corp.
Most cited
By later US patents
- Junction members and their uses90US 5,864,997 ABrickel Designs · 1999
- Guard rail construction70US 4,330,106 A1982
- Breakaway support post for highway guardrail end treatments68US 6,488,268 B1TRN Business Trust · 2002
- Post protector67US 5,369,925 AHardy Manufacturing, Inc. · 1994
- Anchor for cables65US 6,065,738 ABrifen Limited · 2000