E01B 7/26
Lubricating of switches
Official title: Lubricating of switches (lubricating of rails B61K3/00)
E01B7/26 (Lubricating of switches) appears on 9 US grants and 10 published applications in this corpus.
Search patents in E01B- Granted patents
- 9
- Published applications
- 10
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 13 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device, system and method for lubricating a railway switch13 Feb 2024US 11,898,312 B2Railway Robotics AS
- Top of rail resilient bar15 Mar 2022US 11,273,853 B2L B Foster Rail Technologies, Inc
- Top of rail foam bar23 Jul 2019US 10,358,153 B2L B Foster Rail Technologies, Inc
- Top of rail resilient bar13 Mar 2018US 9,914,465 B2L B Foster Rail Technologies, Inc
- Top of rail foam bar13 Sep 2016US 9,440,665 B2L B Foster Rail Technologies, Inc
- Device, system and method for lubricating a railway switch2 Jun 2022US 2022/0170212 A1Railway Robotics AS
- Railway switch with lubricious liner12 May 2022US 2022/0145547 A1Roller Bearing Company of America, Inc.
- Top of rail resilient bar19 Jul 2018US 2018/0201282 A1L B Foster Rail Technologies, Inc
- Top of rail foam bar22 Jun 2017US 2017/0174235 A1L B Foster Rail Technologies, Inc
- Sliding plate and floor plate for turnout10 Dec 2015US 2015/0354145 A1Oiles Corporation
Most cited
By later US patents
- Railway switching points7US 4,105,175 AGestivalmo Societe Anonyme Holding · 1978
- Top of rail foam bar5US 8,955,645 B2L B Foster Rail Technologies, Inc · 2015
- Railroad switch lubricator4US 7,513,335 B2Tranergy Corporation · 2009
- Method, device and composition for use in the maintenance of track equipment2US 5,829,552 ASociete Industrielle De Produits Speciaux S.I.P.S. · 1998
- Top of rail foam bar1US 9,440,665 B2L B Foster Rail Technologies, Inc · 2016