E01B 29/20
Moving rails placed on installed sleepers in the plane track
E01B29/20 (Moving rails placed on installed sleepers in the plane track) appears on 17 US grants and 6 published applications in this corpus.
Search patents in E01B- Granted patents
- 17
- Published applications
- 6
- Assignees
- 14
- Inventors
- 32
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for unloading, transporting and installing a railway track12 Apr 2022US 11,299,858 B2Contratas y Ventas, S.A.U. (Convensa)
- Procedure for laying railway tracks7 Apr 2020US 10,612,195 B2Ferrovial Agroman, S.A.
- Rail alignment tool21 Aug 2018US 10,053,819 B2
- Rail rolling apparatus and method of use10 Jan 2017US 9,540,773 B1
- Method for the installation of railway tracks on ballast, without an auxiliary track19 Mar 2013US 8,397,642 B2FCC Constructions, S.A.
- Method for Unloading, Transporting and Installing a Railway Track31 Oct 2019US 2019/0330804 A1Contratas y Ventas, S.A.-Convesa
- Rail pulling system and method of use18 Jul 2019US 2019/0218725 A1Rj-Pull Tite, LLC
- Rail alignment tool1 Mar 2018US 2018/0058015 A1
- Procedure for laying railway tracks2 Feb 2017US 2017/0030023 A1Ferrovial Agroman, S.A.
- Method for the Installation of Railway Tracks on Ballast, Without an Auxiliary Track23 Dec 2010US 2010/0320280 A1FCC Constructions, S.A.
Most cited
By later US patents
- Devices for adjusting two butt ends of rails to be connected by welding11US 4,320,708 AC. Delachaux · 1982
- Rail alignment tool11US 6,651,353 B1The Burlington Northern and Santa Fe Railway Company · 2003
- Setting arrangement for alignment and gap between two rail ends6US 4,176,777 AC. Delachaux · 1979
- Rail joint alignment system and method of connection6US 4,800,817 A1989
- Rail pulling system6US 6,637,340 B12003