H05H 1/44
Using more than one torch
Official title: using more than one torch
H05H1/44 (Using more than one torch) appears on 131 US grants and 91 published applications in this corpus.
Search patents in H05H- Granted patents
- 131
- Published applications
- 91
- Assignees
- 104
- Inventors
- 318
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 4 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 2 | 4 |
| 2009 | 3 | 1 |
| 2010 | 3 | 6 |
| 2011 | 0 | 2 |
| 2012 | 3 | 6 |
| 2013 | 7 | 4 |
| 2014 | 5 | 8 |
| 2015 | 4 | 11 |
| 2016 | 6 | 8 |
| 2017 | 8 | 7 |
| 2018 | 3 | 6 |
| 2019 | 6 | 2 |
| 2020 | 4 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Plasma cutting system with dual electrode plasma arc torch12 Nov 2024US 12,138,705 B2Lincoln Global.Inc.
- System for high temperature chemical processing9 Jan 2024US 11,866,589 B2Monolith Materials, Inc.
- System for high temperature chemical processing28 Feb 2023US 11,591,477 B2Monolith Materials, Inc.
- Plasma torch with structure capable of performing reversed polarity/straight polarity operation8 Jun 2021US 11,032,900 B2Korea Hydro & Nuclear Power Co., Ltd.
- Fluid-cooled contact tip assembly for metal welding7 Jul 2020US 10,709,006 B2Norsk Titanium AS
- Multichannel plasma generation system and method11 Dec 2025US 2025/0380349 A1Fuse Energy Technologies Corp.
- Plasma cutting system with dual electrode plasma arc torch26 Dec 2024US 2024/0424594 A1Lincoln Global.Inc.
- Plasma torch assembly and operation6 Jun 2024US 2024/0188207 A1HiiROC-X Developments Limited
- Plasma/ionic reactor for processing fluorocarbon materials23 May 2024US 2024/0165448 A1Cogent Energy Systems, Inc.
- System for high temperature chemical processing4 May 2023US 2023/0136364 A1Monolith Materials, Inc.
Most cited
By later US patents
- Treatment of matter in low temperature plasmas178US 4,361,441 APlasma Holdings N.V. · 1982
- Plasma whirl reactor apparatus and methods of use164US 7,622,693 B2Foret Plasma Labs, LLC · 2009
- Apparatus and method for large area chemical vapor deposition using multiple expanding thermal plasma generators115US 6,872,428 B2General Electric Company · 2005
- Method and apparatus for generating induced plasma100US 5,680,014 AFuji Electric Co., Ltd. · 1997
- Twin plasma torch apparatus76US 6,744,006 B2Tetronics Limited · 2004