E01B 9/12
Retaining or locking devices for spikes or screws
E01B9/12 (Retaining or locking devices for spikes or screws) appears on 14 US grants and 12 published applications in this corpus.
Search patents in E01B- Granted patents
- 14
- Published applications
- 12
- Assignees
- 6
- Inventors
- 21
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Railroad spike stabilizer for railroad and construction applications4 Nov 2025US 12,460,355 B1FTS Tools, LLC
- Railway tie plate retention devices and methods to facilitate railway tie replacement11 Jun 2024US 12,006,639 B2MOW Equipment Solutions, Inc.
- Rail tie plate with spike retention capability2 May 2023US 11,639,583 B1
- Rail tie plate with spike retention capability8 Nov 2022US 11,492,762 B2
- Rail tie plate with spike retention capability14 Jun 2022US 11,359,335 B2
- Railroad Spike Stabilizer for Railroad and Construction Applications2 Jul 2026US 2026/0185307 A1FTS Tools, LLC
- Rail Tie Plate with Spike Retention Capability4 Aug 2022US 2022/0243404 A1
- Rail Tie Plate with Spike Retention Capability21 Apr 2022US 2022/0120040 A1
- Railway tie plate retention devices and methods to facilitate railway tie replacement17 Mar 2022US 2022/0081849 A1MOW Equipment Solutions, Inc.
- Railway tie plate retention devices and methods to facilitate railway tie replacement9 May 2019US 2019/0136460 A1MOW Equipment Solutions, Inc.
Most cited
By later US patents
- Locking member for a clamping bolt17US 4,284,114 A1981
- Two piece rail fastening assemblies for wooden cross ties7US 4,953,787 AChemetron-Railway Products, Inc. · 1990
- Fastening device7US 6,318,939 B1Pandrol Limited · 2001
- Rail tie plate with spike retention capability3US 11,359,335 B22022
- Railway tie plate retention devices and methods to facilitate railway tie replacement2US 10,214,861 B2MOW Equipment Solutions, Inc. · 2019