E01B 13/02
Rail anchors
E01B13/02 (Rail anchors) appears on 27 US grants and 19 published applications in this corpus.
Search patents in E01B- Granted patents
- 27
- Published applications
- 19
- Assignees
- 19
- Inventors
- 39
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 3 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-wiggle clip shoulder for rail fastener14 Jul 2026US 12,680,234 B2Progress Rail Services Corporation
- One-piece rail boot with integrated flangeway former20 May 2025US 12,305,338 B1Polycorp Ltd.
- Rail anchoring spike25 Mar 2025US 12,258,717 B2Lewis Bolt & Nut Company
- Rail anchoring spike11 Jun 2024US 12,006,638 B2Lewis Bolt & Nut Company
- Anchoring device for a railway rail fastening assembly12 Sep 2023US 11,753,774 B2Pandrol Limited
- Adjustable anchor maintenance workhead3 Sep 2026US 2026/0258610 A1Transportation IP Holdings, LLC
- Rail anchoring spike11 Jul 2024US 2024/0229366 A1Lewis Bolt & Nut Company
- Anti-wiggle clip shoulder for rail fastener29 Feb 2024US 2024/0068173 A1Progress Rail Services Corporation
- Spring anchor assembly for track rail and spring anchor insulator for same11 Nov 2021US 2021/0348340 A1Progress Rail Services Corporation
- An anchoring device for a railway rail fastening assembly20 May 2021US 2021/0148057 A1Pandrol Limited
Most cited
By later US patents
- Rail anchor isolator12US 7,147,169 B2Unit Rail Anchor Company · 2006
- Rail-tie fastening assembly10US 4,874,128 AKerr-McGee Chemical Corporation · 1989
- Spring type anchors8US 4,210,281 ATrue Temper Corporation · 1980
- Method for adhesively bonding a rail-tie fastening assembly to a wooden railway tie7US 5,160,084 AKerr-McGee Corporation · 1992
- Spike claw puller and method of manufacture thereof7US 9,637,867 B2Good Earth Tools, Inc. · 2017