B23K 11/046
Apparatus therefor
Official title: {Apparatus therefor}
B23K11/046 (Apparatus therefor) appears on 50 US grants and 40 published applications in this corpus.
Search patents in B23K- Granted patents
- 50
- Published applications
- 40
- Assignees
- 38
- Inventors
- 119
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 3 |
| 2014 | 3 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 4 |
| 2022 | 2 | 1 |
| 2023 | 3 | 2 |
| 2024 | 3 | 1 |
| 2025 | 3 | 5 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated geometry and crowning apparatus for use of mobile electric flash-butt welding of railroad rails and rail inserts11 Nov 2025US 12,466,008 B2One Rail Group, LLC
- Welding machine26 Aug 2025US 12,397,366 B2Danieli & C. Officine Meccaniche SpA
- Welding unit for welding rails of a track22 Apr 2025US 12,281,448 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method for welding balls7 May 2024US 11,975,399 B2Bayerische Motoren Werke Aktiengesellschaft
- Apparatus and method for butt-welding workpieces5 Mar 2024US 11,919,101 B2August Strecker GmbH & Co. KG Elektro-Schweissmaschinen Fabrik
- Manufacturing method of flash butt welded rail1 Oct 2026US 2026/0295710 A1Nippon Steel Corporation
- Method and device for welding components, which can be travelled upon, of a track by flash butt welding23 Jul 2026US 2026/0208283 A1Voestalpine Railway Systems GmbH
- Automated Geometry and Crowning Apparatus for Use of Mobile Electric Flash-Butt Welding of Railroad Rails and Rail Inserts5 Feb 2026US 2026/0034616 A1One Rail Group, LLC
- Welding machine4 Dec 2025US 2025/0367751 A1Danieli & C. Officine Meccaniche SpA
- Flash-Butt Welding Vehicle, Systems, and Methods of Using the Same11 Sep 2025US 2025/0281995 A1Holland Company
Most cited
By later US patents
- Method and apparatus for flash butt welding railway rails28US 5,270,514 AChemetron-Railway Products, Inc. · 1993
- Method of welding continuous rails and apparatus therefor25US 4,414,454 AH. A. Schlatter AG · 1983
- Mobile rail welding machine18US 4,236,453 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. · 1980
- Machine for welding at least one run of rail14US 5,992,329 AScheuchzer S.A. · 1999
- Device and method for cooling rail weld zone13US 8,353,443 B2Nippon Steel Corporation · 2013