E01B 29/09
Under, or from under, installed rails
Official title: under, or from under, installed rails
E01B29/09 (Under, or from under, installed rails) appears on 97 US grants and 46 published applications in this corpus.
Search patents in E01B- Granted patents
- 97
- Published applications
- 46
- Assignees
- 45
- Inventors
- 114
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 5 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 4 | 3 |
| 2015 | 2 | 2 |
| 2016 | 2 | 4 |
| 2017 | 4 | 3 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 4 |
| 2022 | 3 | 3 |
| 2023 | 1 | 3 |
| 2024 | 3 | 3 |
| 2025 | 6 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- On-track maintenance machine and method for operating the machine8 Sep 2026US 12,729,489 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Railroad tie handler31 Mar 2026US 12,590,422 B2
- Rail tie distribution control system18 Nov 2025US 12,473,696 B2Herzog Railroad Services, Inc.
- Rail tie distribution system7 Oct 2025US 12,435,475 B2Herzog Railroad Services, Inc.
- Transfer car for sleepers and the associated railway vehicle24 Jun 2025US 12,338,582 B2Matisa Materiel Industriel S.A.
- Automated tie marking21 Aug 2025US 2025/0263096 A1BNSF Railway Company
- Method, apparatus and system for lifting railroad structures13 Mar 2025US 2025/0084593 A1Enerpac Tool Group Corp.
- On-track maintenance machine and method for operating the machine26 Sep 2024US 2024/0318386 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Tie-arrangement system and method of delivering ties19 Sep 2024US 2024/0309590 A1Transportation IP Holdings, LLC
- Plate gripping assemblies for maintenance7 Mar 2024US 2024/0076836 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Railway maintenance vehicle44US 5,156,639 ADeere & Company · 1992
- Rail tie replacement method and apparatus22US 6,463,858 B2Nordco Inc. · 2002
- Tie guide and plate holding apparatus21US 5,722,325 AHarsco Corporation · 1998
- Mobile tie gang apparatus20US 4,809,614 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1989
- Mobile installation for loading, transporting and unloading20US 4,911,599 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1990