E01B 5/18
Guard rails
Official title: Guard rails; Connecting, fastening or adjusting means therefor
E01B5/18 (Guard rails) appears on 35 US grants and 22 published applications in this corpus.
Search patents in E01B- Granted patents
- 35
- Published applications
- 22
- Assignees
- 29
- Inventors
- 71
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 2 | 2 |
| 2013 | 4 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Railroad rail profile19 May 2026US 12,630,981 B2
- Rail fastening apparatus9 Nov 2021US 11,168,446 B2voestalpine Railway Systems Nortrak LLC
- Guide rail support suitable for withstanding forces transverse to a railway track, and assembly comprising such a guide rail support4 Aug 2020US 10,731,302 B2Vossloh Cogifer
- Fiberglass guard rail14 Jul 2020US 10,711,405 B2Asset Integrity Management Solutions, L.L.C.
- Railway vehicle and derailment safety device thereof12 Nov 2019US 10,471,975 B2Crrc Qingdao Sifang Co., Ltd.
- Spacer and non-transitory computer-readable storage medium20 Aug 2026US 2026/0243306 A1Thk Co., Ltd.
- Improvements in railroad rail profile6 Jun 2024US 2024/0183113 A1
- Energy-absorbing vehicle barrier system27 Aug 2020US 2020/0270831 A1
- Rail fastening apparatus27 Feb 2020US 2020/0063376 A1voestalpine Nortrak Inc.
- Track guard for overhead doors4 Jul 2019US 2019/0203513 A1Assa Abloy Entrance Systems AB
Most cited
By later US patents
- Spring rail plate fasteners for direct railroad track fixation17US 3,945,566 ANew York City Transit Authority · 1976
- Switch point guard14US 4,386,751 AWestern-Cullen-Hayes, Inc. · 1983
- Guard rail assembly10US 5,176,318 AABC Rail Corporation · 1993
- Adjustable guard rail structures9US 4,265,401 AL. B. Foster Company · 1981
- Guide-rail attachment for railroad switch8US 6,279,833 B1Schwihag Gesellschaft fur Eisenbahnoberbau mbH · 2001