F23D 14/52
For torches
Official title: for torches; for blow-pipes
F23D14/52 (For torches) appears on 122 US grants and 92 published applications in this corpus.
Search patents in F23D- Granted patents
- 122
- Published applications
- 92
- Assignees
- 83
- Inventors
- 273
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 5 | 6 |
| 2005 | 3 | 1 |
| 2006 | 1 | 5 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 5 |
| 2010 | 0 | 2 |
| 2011 | 1 | 7 |
| 2012 | 2 | 6 |
| 2013 | 7 | 7 |
| 2014 | 7 | 6 |
| 2015 | 4 | 8 |
| 2016 | 3 | 5 |
| 2017 | 4 | 6 |
| 2018 | 7 | 1 |
| 2019 | 4 | 5 |
| 2020 | 2 | 3 |
| 2021 | 4 | 3 |
| 2022 | 3 | 4 |
| 2023 | 0 | 2 |
| 2024 | 4 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotating electrical connection with locking axial and radial positions for use in welding and cutting devices11 Mar 2025US 12,247,734 B2
- Hand torch, base, and regulator system23 Jul 2024US 12,044,403 B2Worthington Cylinders Corporation
- Oxyhydrogen torch system and method of use16 Apr 2024US 11,959,634 B1
- Tool with improved ignition efficiency19 Mar 2024US 11,933,493 B2Pro-Iroda Industries, Inc.
- Burner module and method for the additive manufacture of a burner module of this kind6 Feb 2024US 11,892,161 B2Linde Aktiengesellschaft
- Dual-speed burning torch with fuel gas and warm nuclear fusion combined burning16 Apr 2026US 2026/0104164 A1Leading Guochuang (Beijing) Technology Group Co., LTD
- Oxy-fuel welding and cutting system and method of operating the system4 Dec 2025US 2025/0367744 A1Messer Cutting Systems GmbH
- Combustion tool with detachable heating unit4 Sep 2025US 2025/0276395 A1Roburn Company Ltd.
- Flame torch7 Nov 2024US 2024/0369219 A1Pro-Iroda Industries, Inc.
- Welding or cutting torch7 Dec 2023US 2023/0392785 A1IHT Automation GmbH & Co. KG
Most cited
By later US patents