B23K 9/291
The shielding means being a gas
Official title: {the shielding means being a gas}
B23K9/291 (The shielding means being a gas) appears on 489 US grants and 524 published applications in this corpus.
Search patents in B23K- Granted patents
- 489
- Published applications
- 524
- Assignees
- 211
- Inventors
- 915
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 13 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 12 | 0 |
| 1989 | 7 | 0 |
| 1990 | 17 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 2 |
| 2003 | 5 | 12 |
| 2004 | 7 | 21 |
| 2005 | 11 | 19 |
| 2006 | 17 | 12 |
| 2007 | 12 | 18 |
| 2008 | 7 | 15 |
| 2009 | 2 | 12 |
| 2010 | 3 | 19 |
| 2011 | 2 | 17 |
| 2012 | 10 | 18 |
| 2013 | 10 | 22 |
| 2014 | 12 | 17 |
| 2015 | 19 | 36 |
| 2016 | 14 | 19 |
| 2017 | 21 | 29 |
| 2018 | 20 | 41 |
| 2019 | 18 | 23 |
| 2020 | 26 | 21 |
| 2021 | 29 | 45 |
| 2022 | 21 | 23 |
| 2023 | 30 | 27 |
| 2024 | 20 | 25 |
| 2025 | 26 | 21 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fabrication of metallic parts by additive manufacturing25 Aug 2026US 12,715,033 B2Elmet Technologies, Inc.
- Contact tip contact arrangement for metal welding28 Jul 2026US 12,691,519 B2Norsk Titanium AS
- Systems, methods, and apparatus to preheat welding wire23 Jun 2026US 12,661,736 B2Illinois Tool Works Inc.
- Contact tip and liner assembly for welding torch26 May 2026US 12,636,725 B2Illinois Tool Works Inc.
- Fume extractors for robotic welding torches19 May 2026US 12,629,734 B2Illinois Tool Works Inc.
- Welding torch13 Aug 2026US 2026/0233325 A1Lincoln Global.Inc.
- Segmented shielding gas trailing nozzle23 Jul 2026US 2026/0208282 A1
- Wire nozzle, additive manufacturing apparatus, and additive manufacturing method25 Jun 2026US 2026/0175298 A1Mitsubishi Electric Corporation
- Systems and Methods for Dual Plasma Wire Arc Additive Manufacturing23 Apr 2026US 2026/0108972 A1Relativity Space, Inc.
- A hybrid welding system and method with overall electrical insulation and thermal conductivity and cooling26 Mar 2026US 2026/0084250 A1Weldobot Ltd.
Most cited
By later US patents
- Self-contained locking trigger assembly and systems which incorporate the assembly151US 6,987,244 B2Illinois Tool Works Inc. · 2006
- Arc plasma torch and method using contact starting112US 4,791,268 AHypertherm, Inc. · 1988
- Multi-application welding system and method100US 6,649,858 B2Illinois Tool Works Inc. · 2003
- Apparatus and process for cooling a plasma arc electrode92US 4,902,871 AHypertherm, Inc. · 1990
- System for use in electrode welding and gas/arc welding86US 5,206,472 A1993