E01B 9/46
By clamps
Official title: by clamps
E01B9/46 (By clamps) appears on 125 US grants and 77 published applications in this corpus.
Search patents in E01B- Granted patents
- 125
- Published applications
- 77
- Assignees
- 64
- Inventors
- 180
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 1 |
| 2004 | 4 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 3 |
| 2014 | 3 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 5 |
| 2017 | 4 | 4 |
| 2018 | 2 | 12 |
| 2019 | 12 | 5 |
| 2020 | 2 | 5 |
| 2021 | 3 | 9 |
| 2022 | 3 | 1 |
| 2023 | 3 | 0 |
| 2024 | 5 | 5 |
| 2025 | 2 | 1 |
| 2026 | 3 | 4 |
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
- Tie plate centering and inserting machine23 Sep 2025US 12,421,670 B2Racine Railroad Products, Inc.
- Guide plate and rail attachment point7 Jan 2025US 12,188,187 B2Vossloh Fastening Systems GmbH
- Baseplate and baseplate assembly for a railway rail24 Sep 2026US 2026/0286619 A1Intercast & Forge Pty Limited
- 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
- Direct Fixation Block Assembly15 Jan 2026US 2026/0015802 A1voestalpine Railway Systems Nortrak LLC
- Railway Tie Fastening System31 Jul 2025US 2025/0243630 A1voestalpine Railway Systems Nortrak LLC
Most cited
By later US patents
- Rail fastening system with gage adjustment means28US 5,221,044 A1993
- Rail plate having spring clips and lateral positioning means24US 4,047,663 A1977
- Boltless, friction-fit, adjustable rail brace19US 4,566,630 ABethlehem Steel Corporation · 1986
- Spring rail plate fasteners for direct railroad track fixation17US 3,945,566 ANew York City Transit Authority · 1976
- Direct fixation rail fastener utilizing a pad of elastomer17US 4,316,578 A1982