B23K 5/00
Gas flame welding
B23K5/00 (Gas flame welding) appears on 130 US grants and 121 published applications in this corpus.
Search patents in B23K- Granted patents
- 130
- Published applications
- 121
- Assignees
- 104
- Inventors
- 320
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 6 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 5 |
| 2013 | 5 | 8 |
| 2014 | 4 | 13 |
| 2015 | 5 | 8 |
| 2016 | 4 | 6 |
| 2017 | 6 | 9 |
| 2018 | 6 | 6 |
| 2019 | 9 | 6 |
| 2020 | 5 | 6 |
| 2021 | 8 | 6 |
| 2022 | 6 | 7 |
| 2023 | 2 | 5 |
| 2024 | 4 | 5 |
| 2025 | 2 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23K 5/22Auxiliary equipment48
- B23K 5/02Seam welding25
- B23K 5/006Gas flame welding: specially adapted for particular articles or work20
- B23K 5/18Gas flame welding: for purposes other than joining parts17
- B23K 5/12Taking account of the properties of the material to be welded16
- B23K 5/213Preliminary treatment7
- B23K 5/003The welding zone being shielded against the influence of the surrounding atmosphere6
- B23K 5/20Making use of vibrations2
All 9 subgroupsShow fewer
Recent patents
- Conductance based control system for additive manufacturing6 Oct 2026US 12,752,374 B2Procada AB
- Method and automatic brazing apparatus for flame brazing control in copper-aluminum welding15 Sep 2026US 12,734,599 B2Shaoxing Daishin Xinrui Brazing Equipment Co., Ltd.
- Nuclear waste storage canisters and method of fabricating the same10 Mar 2026US 12,573,515 B2Holtec International
- Methods and systems for support of low-power operation in training modes in welding machines13 May 2025US 12,296,415 B2Illinois Tool Works Inc.
- Configuring signal devices in thermal processing systems4 Feb 2025US 12,217,118 B2Hypertherm, Inc.
- Numerical control device20 Aug 2026US 2026/0244189 A1Fanuc Corporation
- Hydraulically powered power system for controlling input engine power or input motor power2 Jul 2026US 2026/0185544 A1Illinois Tool Works Inc.
- Method for the autogenous processing of metals29 Jan 2026US 2026/0029124 A1Messer Cutting Systems GmbH
- Methods and systems for support of low-power operation in training modes in welding machines11 Dec 2025US 2025/0375830 A1Illinois Tool Works Inc.
- Oxy-fuel welding and cutting system and method of operating the system4 Dec 2025US 2025/0367744 A1Messer Cutting Systems GmbH
Most cited
By later US patents
- Fabrication method for rotary bits and bit components and bits and components produced thereby173US 5,433,280 ABaker Hughes Incorporated · 1995
- Fabrication method for rotary bits and bit components119US 5,544,550 ABaker Hughes Incorporated · 1996
- Fabrication method for rotary bits and bit components118US 5,957,006 ABaker Hughes Incorporated · 1999
- Magnetic wheel guided carriage with positioning arm96US 5,853,655 A1998
- Dilution control in hardfacing severe service components33US 8,828,312 B2Kennametal Inc. · 2014