E01F 15/0461
Supports
Official title: {Supports, e.g. posts (roadside posts in general E01F9/60)}
E01F15/0461 (Supports) appears on 168 US grants and 157 published applications in this corpus.
Search patents in E01F- Granted patents
- 168
- Published applications
- 157
- Assignees
- 86
- Inventors
- 265
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 12 | 3 |
| 2002 | 6 | 7 |
| 2003 | 7 | 7 |
| 2004 | 4 | 8 |
| 2005 | 4 | 7 |
| 2006 | 1 | 2 |
| 2007 | 0 | 7 |
| 2008 | 1 | 8 |
| 2009 | 5 | 5 |
| 2010 | 0 | 5 |
| 2011 | 2 | 4 |
| 2012 | 2 | 6 |
| 2013 | 4 | 1 |
| 2014 | 2 | 9 |
| 2015 | 6 | 5 |
| 2016 | 4 | 5 |
| 2017 | 3 | 6 |
| 2018 | 4 | 7 |
| 2019 | 6 | 10 |
| 2020 | 11 | 9 |
| 2021 | 6 | 11 |
| 2022 | 9 | 6 |
| 2023 | 7 | 8 |
| 2024 | 8 | 4 |
| 2025 | 6 | 4 |
| 2026 | 4 | 3 |
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
- Strapping apparatus11 Nov 2025US 12,467,213 B2Three Smith Group Limited
- 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.
- Guardrail terminal28 Aug 2025US 2025/0270777 A1Sicking Safety Systems LLC
- Road with reinforced roadside24 Apr 2025US 2025/0129552 A1Rt Stratec Rt S.R.L
Most cited
By later US patents
- Breakaway support post for highway guardrail end treatments68US 6,488,268 B1TRN Business Trust · 2002
- Post protector67US 5,369,925 AHardy Manufacturing, Inc. · 1994
- Fencing construction60US 5,480,126 ASoniplastics Inc. · 1996
- Tree protector59US 4,268,992 A1981
- Energy absorbing breakaway steel guardrail post57US 6,254,063 B1Safety By Design, Inc. · 2001