E01B 9/28
Fastening on wooden or concrete sleepers or on masonry with clamp members
E01B9/28 (Fastening on wooden or concrete sleepers or on masonry with clamp members) appears on 194 US grants and 97 published applications in this corpus.
Search patents in E01B- Granted patents
- 194
- Published applications
- 97
- Assignees
- 86
- Inventors
- 244
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 11 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 12 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 4 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 0 | 4 |
| 2009 | 2 | 6 |
| 2010 | 7 | 8 |
| 2011 | 4 | 6 |
| 2012 | 3 | 11 |
| 2013 | 2 | 8 |
| 2014 | 12 | 2 |
| 2015 | 7 | 8 |
| 2016 | 6 | 5 |
| 2017 | 3 | 1 |
| 2018 | 3 | 5 |
| 2019 | 5 | 5 |
| 2020 | 0 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Embed façade attachments and related systems and methods4 Aug 2026US 12,698,598 B2Simpson Strong-Tie Company, Inc.
- Anti-wiggle clip shoulder for rail fastener14 Jul 2026US 12,680,234 B2Progress Rail Services Corporation
- Modular fastening for track crossings19 Aug 2025US 12,392,091 B2Pandrol Iberica S.A.U.
- Guide plate and rail attachment point7 Jan 2025US 12,188,187 B2Vossloh Fastening Systems GmbH
- Rail fastening system27 Feb 2024US 11,913,177 B2Shiwihag AG
- Angled guide plate and fastening system for fastening rails for rail vehicles11 Jun 2026US 2026/0160026 A1Voestalpine Railway Systems GmbH
- Angle Guide Plate and Fastening System with Such an Angle Guide Plate21 May 2026US 2026/0139442 A1
- 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
- Railway Tie Fastening System31 Jul 2025US 2025/0243630 A1voestalpine Railway Systems Nortrak LLC
Most cited
By later US patents
- Track circuit retainer clip25US 5,148,981 AERICO International Corporation · 1992
- Rail fastening on concrete ties by means of resilient tension clamps24US 5,096,119 AVossloh-Werke GmbH · 1992
- Railway rail-fastening clip and assembly and methods of employing the same24US 5,520,330 APandrol Limited · 1996
- Device for attaching a rail to a bearing element23US 4,907,740 AVossloh-Werke GmbH · 1990
- Railway track hold-down hardware21US 4,179,067 A1979