E01B 9/38
Indirect fastening of rails by using tie-plates or chairs
Official title: Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
E01B9/38 (Indirect fastening of rails by using tie-plates or chairs) appears on 194 US grants and 135 published applications in this corpus.
Search patents in E01B- Granted patents
- 194
- Published applications
- 135
- Assignees
- 99
- Inventors
- 269
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 4 |
| 2003 | 7 | 5 |
| 2004 | 6 | 4 |
| 2005 | 4 | 2 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 6 |
| 2009 | 0 | 5 |
| 2010 | 4 | 6 |
| 2011 | 5 | 7 |
| 2012 | 3 | 4 |
| 2013 | 5 | 4 |
| 2014 | 5 | 5 |
| 2015 | 5 | 4 |
| 2016 | 4 | 10 |
| 2017 | 6 | 5 |
| 2018 | 4 | 13 |
| 2019 | 13 | 6 |
| 2020 | 4 | 8 |
| 2021 | 4 | 11 |
| 2022 | 4 | 4 |
| 2023 | 7 | 0 |
| 2024 | 7 | 6 |
| 2025 | 4 | 3 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-wiggle clip shoulder for rail fastener14 Jul 2026US 12,680,234 B2Progress Rail Services Corporation
- Track rail fastening system and rail cushion for same21 Apr 2026US 12,606,962 B2Progress Rail Services Corporation
- Track rail fastener structured for displacement restraint7 Apr 2026US 12,595,628 B2Progress Rail Services Corporation
- Rail clips3 Feb 2026US 12,540,055 B2
- Tie plate centering and inserting machine23 Sep 2025US 12,421,670 B2Racine Railroad Products, Inc.
- Baseplate and baseplate assembly for a railway rail24 Sep 2026US 2026/0286619 A1Intercast & Forge Pty Limited
- Tie guide, replaceable pad, and method of using the same13 Aug 2026US 2026/0234875 A1Transportation IP Holdings, LLC
- Clamping spring for holding down a track body element7 May 2026US 2026/0125855 A1Voestalpine Railway Systems GmbH
- Clamping spring for holding down a track body element5 Mar 2026US 2026/0062870 A1Voestalpine Railway Systems GmbH
- Extruded pvc glass fiber reinforced railroad tie with enhanced thermal and mechanical stability29 Jan 2026US 2026/0028781 A1
Most cited
By later US patents
- Spikeless tie plate fasteners, pre-plated railroad ties and related assemblies and methods37US 7,850,090 B22010
- Rail fastening system with gage adjustment means28US 5,221,044 A1993
- Railroad tie plate and correctable shim25US 4,382,547 A1983
- Rail plate having spring clips and lateral positioning means24US 4,047,663 A1977
- Concrete railroad ties20US 4,925,094 ACostain Concrete Company Limited · 1990