B23K 9/16
Making use of shielding gas
Official title: making use of shielding gas
B23K9/16 (Making use of shielding gas) appears on 1,676 US grants and 2,268 published applications in this corpus.
Search patents in B23K- Granted patents
- 1,676
- Published applications
- 2,268
- Assignees
- 658
- Inventors
- 3,482
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 14 | 0 |
| 1998 | 15 | 0 |
| 1999 | 13 | 0 |
| 2000 | 25 | 0 |
| 2001 | 25 | 3 |
| 2002 | 10 | 15 |
| 2003 | 20 | 15 |
| 2004 | 9 | 34 |
| 2005 | 20 | 42 |
| 2006 | 28 | 41 |
| 2007 | 27 | 40 |
| 2008 | 15 | 63 |
| 2009 | 11 | 35 |
| 2010 | 15 | 57 |
| 2011 | 10 | 58 |
| 2012 | 25 | 68 |
| 2013 | 38 | 97 |
| 2014 | 47 | 142 |
| 2015 | 72 | 143 |
| 2016 | 79 | 135 |
| 2017 | 102 | 137 |
| 2018 | 82 | 168 |
| 2019 | 120 | 132 |
| 2020 | 146 | 145 |
| 2021 | 110 | 159 |
| 2022 | 107 | 139 |
| 2023 | 93 | 115 |
| 2024 | 101 | 112 |
| 2025 | 125 | 89 |
| 2026 | 49 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- TIG welded joint6 Oct 2026US 12,752,379 B2Jfe Steel Corporation
- 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.
- Detecting weld start event based on time derivative of weld voltage18 Aug 2026US 12,708,954 B2The ESAB Group, Inc.
- Methods for preparation of sheets to be used for fabrication of a welded steel blank and fabricating a welded blank18 Aug 2026US 12,708,962 B2ArcelorMittal
- Repair welding device and repair welding method11 Aug 2026US 12,703,049 B2Panasonic Intellectual Property Management Co., Ltd.
- Arc welded joint and method for manufacturing the same1 Oct 2026US 2026/0295705 A1Jfe Steel Corporation
- Gas shield arc welding wire1 Oct 2026US 2026/0295737 A1Kiswel Ltd.
- Work string tubing connection restoration24 Sep 2026US 2026/0284768 A1Postle Industries, Inc.
- Multiple arc joining method24 Sep 2026US 2026/0284770 A1Fronius International GmbH
- Tungsten Inert Gas (TIG) Welding Control Unit and Welding Apparatus Using Same24 Sep 2026US 2026/0284772 A1
Most cited
By later US patents
- Electrosurgical method and apparatus for initiating an electrical discharge in an inert gas flow317US 4,040,426 AValleylab, Inc. · 1977
- Endoprosthesis having multiple laser welded junctions method and procedure173US 5,716,396 ACordis Corporation · 1998
- Method for teaching welding torch orientation159US 5,845,053 AFanuc Corporation · 1998
- Self-contained locking trigger assembly and systems which incorporate the assembly151US 6,987,244 B2Illinois Tool Works Inc. · 2006
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000