E01B 11/04
Flat fishplates
E01B11/04 (Flat fishplates) appears on 11 US grants and 9 published applications in this corpus.
Search patents in E01B- Granted patents
- 11
- Published applications
- 9
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Curved insulated rail joint bar and methods for making same12 Nov 2024US 12,139,857 B2L. B. Foster Company
- Rail joint bars and rail joint assemblies28 Feb 2012US 8,123,144 B2Koppers Delaware, Inc.
- Device for insolated joint for joining rails15 Jun 2010US 7,735,746 B2
- Rail joint bars and rail joint assemblies17 Feb 2009US 7,490,781 B2Portec Rail Products, Inc.
- Profiled bar29 Aug 2006US 7,097,112 B2Protec Rail Products, Inc.
- Curved insulated rail joint bar and methods for making same23 Jun 2022US 2022/0195673 A1L. B. Foster Company
- Rail coupling7 Oct 2021US 2021/0310199 A1Castree Projects Limited
- Rail splice plate18 Jul 2019US 2019/0218724 A1Rj-Pull Tite, LLC
- Tapered railway apparatus6 Feb 2014US 2014/0034744 A1
- Device for insolated joint for joining rails22 Apr 2010US 2010/0096468 A1
Most cited
By later US patents
- Monorail track structure13US 5,687,649 AHK Systems, Inc. · 1997
- Angled joint for railroad rails11US 5,842,637 AMidwest Rail Inc. · 1998
- Rail incorporating elevation change and method for its production8US 6,125,765 AHK Systems, Inc. · 2000
- Fish-plates for electrically conducting railway rails3US 4,378,909 AC. Delachaux · 1983
- Profiled bar3US 7,097,112 B2Protec Rail Products, Inc. · 2006