B23K 9/325
Devices for supplying or evacuating shielding gas
Official title: {Devices for supplying or evacuating shielding gas}
B23K9/325 (Devices for supplying or evacuating shielding gas) appears on 283 US grants and 303 published applications in this corpus.
Search patents in B23K- Granted patents
- 283
- Published applications
- 303
- Assignees
- 167
- Inventors
- 643
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 7 | 6 |
| 2004 | 2 | 3 |
| 2005 | 2 | 7 |
| 2006 | 5 | 8 |
| 2007 | 3 | 7 |
| 2008 | 6 | 6 |
| 2009 | 3 | 11 |
| 2010 | 2 | 10 |
| 2011 | 1 | 4 |
| 2012 | 3 | 6 |
| 2013 | 11 | 19 |
| 2014 | 7 | 19 |
| 2015 | 7 | 11 |
| 2016 | 12 | 16 |
| 2017 | 11 | 14 |
| 2018 | 8 | 19 |
| 2019 | 11 | 12 |
| 2020 | 11 | 19 |
| 2021 | 15 | 14 |
| 2022 | 11 | 22 |
| 2023 | 7 | 11 |
| 2024 | 10 | 25 |
| 2025 | 17 | 15 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Male adaptor for tungsten inert gas welding14 Jul 2026US 12,678,884 B1
- Method of and system for monitoring a quality of a weld16 Jun 2026US 12,654,261 B2GM Global Technology Operations LLC
- Apparatus for pipe purging26 May 2026US 12,636,726 B2Airgas, Inc.
- Fume extractors for robotic welding torches19 May 2026US 12,629,734 B2Illinois Tool Works Inc.
- Orbital welding device with improved residual oxygen measurement31 Mar 2026US 12,589,453 B2Illinois Tool Works Inc.
- Fluid control techniques for arc process operations17 Sep 2026US 2026/0273645 A1The ESAB Group, Inc.
- Portable Purge Chamber for Controlled Atmosphere Welding of Readily Contaminated Metals Like Titanium or Zirconium27 Aug 2026US 2026/0249377 A1
- Welding-type systems using fluid sensors with bond resisting substances27 Aug 2026US 2026/0255500 A1Illinois Tool Works Inc.
- Segmented shielding gas trailing nozzle23 Jul 2026US 2026/0208282 A1
- Systems and methods for controlling movement of fume mitigation vent hoods and inlets18 Jun 2026US 2026/0166601 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Torch mounted gas scavaging system for manual and robotic welding and cutting torches205US 5,811,055 A1998
- Fuel cell operated welder118US 6,331,694 B1Lincoln Global.Inc. · 2001
- Air cleaning system for a robotic welding chamber110US 6,758,875 B2Great Lakes Air Systems, Inc. · 2004
- System and method for data communications over a gas hose in a welding-type application97US 7,247,814 B2Illinois Tool Works Inc. · 2007
- Mig gun with axially aligned offset motor85US 6,225,599 B1Illinois Tool Works Inc. · 2001