E01B 5/04
Grooved rails
E01B5/04 (Grooved rails) appears on 6 US grants and 5 published applications in this corpus.
Search patents in E01B- Granted patents
- 6
- Published applications
- 5
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 10 Jan 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Trackway and method for manufacturing a trackway10 Jan 2012US 8,091,797 B2Max Bogl Bauunternehmung GmbH & Co. KG
- Grooved rail19 Jan 2010US 7,648,079 B2Thyssenkrupp GFT Gleistechnik GmbH
- Installation of rail tracks in roadways7 May 1996US 5,513,797 A
- Portable tracks for a wheelchair17 Oct 1995US 5,457,837 A
- Rail for a track bound vehicle14 Apr 1987US 4,657,181 A
- Rail-Based Floor Conveyor System18 Jun 2020US 2020/0189887 A1Strothmann Machines & Handling GmbH
- Rail with friction control tread surface for inner rail, rail with friction control tread surface for outer rail, and permanent way23 Jun 2016US 2016/0177513 A1Mitsubishi Heavy Industries, Ltd.
- Trackway and Method for Manufacturing a Trackway7 Jan 2010US 2010/0001088 A1Max Bogl Bauunternehmung GmbH & Co. KG
- Running Rail for a Rail Trough24 Jan 2008US 2008/0017727 A1voestalpine Schienen GmbH
- Grooved Rail6 Dec 2007US 2007/0278322 A1Thyssenkrupp GFT Gleistechnik GmbH
Most cited
By later US patents
- Portable tracks for a wheelchair11US 5,457,837 A1995
- Installation of rail tracks in roadways4US 5,513,797 A1996
- Rail for center-flange wheels3US 4,139,154 A1979
- Trackway and method for manufacturing a trackway3US 8,091,797 B2Max Bogl Bauunternehmung GmbH & Co. KG · 2012
- Rail for a track bound vehicle1US 4,657,181 A1987