B23K 9/18
Submerged-arc welding
B23K9/18 (Submerged-arc welding) appears on 205 US grants and 275 published applications in this corpus.
Search patents in B23K- Granted patents
- 205
- Published applications
- 275
- Assignees
- 125
- Inventors
- 588
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 5 |
| 2006 | 3 | 6 |
| 2007 | 2 | 6 |
| 2008 | 0 | 10 |
| 2009 | 3 | 12 |
| 2010 | 4 | 5 |
| 2011 | 3 | 10 |
| 2012 | 3 | 16 |
| 2013 | 6 | 16 |
| 2014 | 12 | 14 |
| 2015 | 14 | 25 |
| 2016 | 11 | 10 |
| 2017 | 13 | 14 |
| 2018 | 5 | 16 |
| 2019 | 12 | 11 |
| 2020 | 15 | 14 |
| 2021 | 10 | 17 |
| 2022 | 8 | 8 |
| 2023 | 11 | 15 |
| 2024 | 12 | 16 |
| 2025 | 13 | 17 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stainless steel composite plate for weathering steel bridge having low yield ratio and preparation method thereof1 Sep 2026US 12,723,298 B2Nanjing Iron & Steel Co., Ltd.
- Method and apparatus for setting up welding parameters21 Jul 2026US 12,686,069 B2Illinois Tool Works Inc.
- Electrode assembly for arc welding30 Jun 2026US 12,667,902 B2Lincoln Global.Inc.
- Work string tubing connection restoration7 Apr 2026US 12,594,616 B2Postle Industries, Inc.
- Iron-based alloys designed for wear and corrosion resistance10 Mar 2026US 12,569,942 B2Oerlikon Metco (US) Inc.
- Work string tubing connection restoration24 Sep 2026US 2026/0284768 A1Postle Industries, Inc.
- Welding process, container, and method for manufacturing container20 Aug 2026US 2026/0241474 A1Ihi Plant Services Corporation
- Submerged arc welding method and method of producing welded joint13 Aug 2026US 2026/0233344 A1Jfe Steel Corporation
- Welded joint of steel plate and method for manufacturing the same6 Aug 2026US 2026/0225191 A1JFE Engineering Corporation
- Manufacturing of a part made of an iron-based alloy16 Jul 2026US 2026/0199979 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Quality control module for tandem arc welding99US 6,940,039 B2Lincoln Global.Inc. · 2005
- Method and apparatus for arc welding of metal plates from one side only53US 4,246,463 AThe Lincoln Electric Company · 1981
- Programmable automatic manipulator system46US 4,642,752 AArmco Inc. · 1987
- Multiple electrode submerged arc welding method28US 4,214,141 AKobe Steel, Ltd. · 1980
- Welding assembly for feeding powdered filler material into a torch26US 5,556,560 APlasma Modules Oy · 1996