B23K 9/0061
Underwater arc welding
Official title: {Underwater arc welding}
B23K9/0061 (Underwater arc welding) appears on 63 US grants and 31 published applications in this corpus.
Search patents in B23K- Granted patents
- 63
- Published applications
- 31
- Assignees
- 65
- Inventors
- 166
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 1 |
| 2004 | 0 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Split-type multifunctional underwater arc welding power supply and operating method thereof24 Sep 2024US 12,097,577 B2Jiangsu Automation Research Institute
- Jacketed vessel23 Aug 2022US 11,420,172 B2Hargrove and Associates, Inc.
- Method for connecting two individual elements of an underwater fluid-transport pipe subject to fatigue9 Aug 2022US 11,407,052 B2Saipem S.P.A.
- Welding purge dam with apertured purge plates17 Sep 2019US 10,413,990 B2
- Underwater connection operations20 Aug 2019US 10,384,288 B2Statoil Petroleum AS
- Hot-rolled steel sheet for tube of hyper tube train and method for producing same23 Jul 2026US 2026/0209907 A1Posco
- Anti-deformation and fast heat conduction and dissipation welding method for computer cabinets16 Jul 2026US 2026/0199997 A1Aeon Lighting Technology Inc.
- Submerged arc welding system28 Aug 2025US 2025/0269456 A1DAIHEN Corporation
- Solid wire and method of manufacturing welded joint20 Mar 2025US 2025/0092498 A1Nippon Steel Corporation
- Split-type multifunctional underwater arc welding power supply and operating method thereof9 May 2024US 2024/0149368 A1Jiangsu Automation Research Institute
Most cited
By later US patents
- Torch mounted gas scavaging system for manual and robotic welding and cutting torches205US 5,811,055 A1998
- Method for developing residual compressive stress in stainless steel and nickel base superalloys81US 5,710,405 AGeneral Electrical Company · 1998
- Stress corrosion crack repair by plasma arc welding underwater welding81US 5,719,369 AGeneral Electric Company · 1998
- Conforming welding torch shroud55US 6,506,995 B1General Electric Company · 2003
- Welding torch for underwater welding35US 4,029,930 AMitsubishi Jukogyo Kabushiki Kaisha · 1977