B23K 3/022
Using a gaseous fuel
Official title: {using a gaseous fuel}
B23K3/022 (Using a gaseous fuel) appears on 33 US grants and 22 published applications in this corpus.
Search patents in B23K- Granted patents
- 33
- Published applications
- 22
- Assignees
- 14
- Inventors
- 43
- Latest grant
- 8 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 3 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Gas powered tool and a method for retaining an isolating valve of a gas powered tool in an isolating state8 Nov 2022US 11,491,631 B2Oglesby & Butler Research & Development Limited
- Apparatus and method for brazing12 Jan 2021US 10,888,942 B2Lincoln Global.Inc.
- Apparatus and method for brazing18 Aug 2020US 10,744,582 B2Lincoln Global.Inc.
- Torch7 Jul 2020US 10,702,938 B1Worthington Torch, LLC
- Apparatus and method for brazing28 Aug 2018US 10,058,946 B2Lincoln Global.Inc.
- Tool with supporting function13 Nov 2025US 2025/0345874 A1Roburn Company Ltd.
- Combustion tool with detachable heating unit4 Sep 2025US 2025/0276395 A1Roburn Company Ltd.
- Apparatus and method for brazing4 May 2023US 2023/0138128 A1Lincoln Global.Inc.
- Gas powered tool and a method for retaining an isolating valve of a gas powered tool in an isolating state19 Mar 2020US 2020/0086472 A1Oglesby & Butler Research & Development Limited
- Apparatus and method for brazing30 May 2019US 2019/0160573 A1Lincoln Global.Inc.
Most cited
By later US patents
- Soldering irons20US 4,119,088 AS. Mechele Limited · 1978
- Soldering tool20US 6,874,671 B2Nakajima Copper Works, Inc. · 2005
- A soldering tool17US 4,785,793 AOglesby & Butler Technology Limited · 1988
- Gas-burned soldering tool17US 5,803,061 ARekrow Industrial Inc. · 1998
- Heating iron using liquefied gas15US 4,641,632 ANakajima Dokosho Company Limited · 1987