E01B 3/16
Made from steel
Official title: made from steel
E01B3/16 (Made from steel) appears on 39 US grants and 27 published applications in this corpus.
Search patents in E01B- Granted patents
- 39
- Published applications
- 27
- Assignees
- 25
- Inventors
- 73
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 4 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 4 |
| 2023 | 2 | 3 |
| 2024 | 1 | 0 |
| 2025 | 4 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymer-based railroad tie having enhanced ballast interaction2 Jun 2026US 12,644,232 B2Rutgers, The State University of New Jersey
- Rail fastening system and associated rail track19 May 2026US 12,630,982 B2Destec Pty Ltd
- E-clip installation machine13 May 2025US 12,297,604 B2
- Light railway system8 Apr 2025US 12,270,158 B2Carpet Track Ltd
- Assembled bamboo sleeper and preparation method thereof21 Jan 2025US 12,203,224 B2Hunan Taohuajiang Bamboo Science & Technology Co., Ltd.
- Steel monoblock sleeper and method for producing same1 Oct 2026US 2026/0297856 A1Baupoly AG
- Polymer-based railroad tie having enhanced ballast interaction24 Sep 2026US 2026/0286620 A1Rutgers, The State University of New Jersey
- Rail fastening system and associated rail track3 Sep 2026US 2026/0258609 A1Destec Pty Ltd
- Extruded pvc glass fiber reinforced railroad tie with enhanced thermal and mechanical stability29 Jan 2026US 2026/0028781 A1
- Method, apparatus and system for lifting railroad structures13 Mar 2025US 2025/0084593 A1Enerpac Tool Group Corp.
Most cited
By later US patents
- Synthetic railroad crosstie23US 4,083,491 AThe Dow Chemical Company · 1978
- Steel railroad sleepers23US 6,230,981 B1Corus UK Limited · 2001
- Rail cross-tie for LIM transit system17US 5,314,115 ABombardier Inc. · 1994
- Rail tie plate clips and shoulders14US 5,782,406 A1998
- Rail fastening devices12US 6,305,613 B12001