B23D 79/026
For removing welding flashes on rails
Official title: {for removing welding flashes on rails}
B23D79/026 (For removing welding flashes on rails) appears on 6 US grants and 3 published applications in this corpus.
Search patents in B23D- Granted patents
- 6
- Published applications
- 3
- Assignees
- 3
- Inventors
- 13
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Weld cutting machine and method for cutting welds14 Jan 2025US 12,194,553 B2Utv Center AB
- Welding unit and method for welding rails of a track8 Aug 2023US 11,717,908 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Device for deburring butt-welded rail joints30 May 2017US 9,662,726 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Machines for welding rails or similar articles18 Oct 1983US 4,410,780 AMatix Industries
- Apparatus for removing flash from resistance butt-weld joints in rails27 Nov 1979US 4,175,897 A
- Weld cutting machine and method for cutting welds7 Oct 2021US 2021/0308779 A1Utv Center AB
- Welding unit and method for welding rails of a track10 Sep 2020US 2020/0282487 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Device for deburring butt-welded rail joints14 Jul 2016US 2016/0199925 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
Most cited
By later US patents
- Device for removing flash after resistance butt welding of rails9US 3,978,746 A1976
- Machines for welding rails or similar articles8US 4,410,780 AMatix Industries · 1983
- Apparatus for removing flash from resistance butt-weld joints in rails7US 4,175,897 A1979
- Weld cutting machine and method for cutting welds1US 12,194,553 B2Utv Center AB · 2025
- Device for deburring butt-welded rail joints1US 9,662,726 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H. · 2017