B23K 9/0284
With an electrode working inside the tube
Official title: {with an electrode working inside the tube}
B23K9/0284 (With an electrode working inside the tube) appears on 52 US grants and 43 published applications in this corpus.
Search patents in B23K- Granted patents
- 52
- Published applications
- 43
- Assignees
- 43
- Inventors
- 154
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 5 |
| 2009 | 2 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 5 |
| 2019 | 2 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 0 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing welded connections and an auxiliary device24 Mar 2026US 12,583,044 B2GEA TDS GmbH
- Process for conformal processing of cylindrical shell inner weld seam18 Nov 2025US 12,472,575 B2Dalian University of Technology
- Welding torch and corresponding manufacturing method17 Jun 2025US 12,330,245 B2Framatome
- Internal clamping and welding device25 Mar 2025US 12,257,653 B2Serimax Holdings
- Device for welding pipe branches and extensions24 Oct 2023US 11,794,266 B2
- Systems and methods for autonomously welding inner surfaces of piping or tubing17 Apr 2025US 2025/0121447 A1Novarc Technologies Inc.
- Method and device for manufacturing a pipe t-branch19 Sep 2024US 2024/0309981 A1
- Orbital Welding System25 Jul 2024US 2024/0246180 A1Hoffman Instrumentation Supply, Inc.
- Orbital welding system for welding the joints of tubes of tube plates of heat exchangers30 Nov 2023US 2023/0381879 A1Maus Italia SPA
- Process method for conformal processing of cylindrical shell inner weld seam by special mobile robot22 Jun 2023US 2023/0191521 A1Dalian University of Technology
Most cited
By later US patents
- Scissor support for welding tank sections35US 4,504,047 AACF Industries, Incorporated · 1985
- Arc welding pipe apparatus24US 4,306,134 AMidcon Pipeline Equipment Co. · 1981
- Device for internal welding of pipes or the like23US 4,500,764 AVEB Gaskombinat Schwarze Pumpe · 1985
- Laser controlled internal welding machine for a pipeline22US 10,040,141 B2CRC-Evans Pipeline International, Inc. · 2018
- Device for welding inside a tube of small diameter20US 4,821,943 AFramatome · 1989