H05H 1/3468
Vortex generators
Official title: {Vortex generators}
H05H1/3468 (Vortex generators) appears on 205 US grants and 129 published applications in this corpus.
Search patents in H05H- Granted patents
- 205
- Published applications
- 129
- Assignees
- 80
- Inventors
- 321
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 0 | 3 |
| 2004 | 4 | 8 |
| 2005 | 5 | 3 |
| 2006 | 10 | 3 |
| 2007 | 0 | 4 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 4 | 1 |
| 2014 | 4 | 5 |
| 2015 | 2 | 14 |
| 2016 | 7 | 6 |
| 2017 | 6 | 19 |
| 2018 | 7 | 6 |
| 2019 | 9 | 6 |
| 2020 | 16 | 7 |
| 2021 | 4 | 4 |
| 2022 | 5 | 4 |
| 2023 | 4 | 6 |
| 2024 | 7 | 6 |
| 2025 | 5 | 2 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows25 Aug 2026US 12,719,024 B26K Inc.
- Plasma processing apparatus12 May 2026US 12,626,891 B2DAIHEN Corporation
- Cost effective cartridge for a plasma arc torch24 Mar 2026US 12,583,051 B2Hypertherm, Inc.
- Cartridge for a liquid-cooled plasma arc torch10 Mar 2026US 12,575,016 B2Hypertherm, Inc.
- Vortex chamber10 Feb 2026US 12,546,343 B2Universiteit Antwerpen
- Cost effective cartridge for a plasma arc torch25 Jun 2026US 2026/0175313 A1Hypertherm, Inc.
- Plasma head and plasma generation device11 Jun 2026US 2026/0162934 A1Fuji Corporation
- Plasma generator2 Apr 2026US 2026/0091443 A1DAIHEN Corporation
- Jacket for a cartridge of a liquid-cooled plasma arc torch15 Jan 2026US 2026/0014637 A1Hypertherm, Inc.
- High-Power Plasma Torch with Ignition Detuning19 Jun 2025US 2025/0203747 A1Radom Corporation
Most cited
By later US patents
- Plasma jet torch having gas vortex in its nozzle for arc constriction132US 4,570,048 APlasma Materials, Inc. · 1986
- Production of fluorocarbon compounds120US 5,611,896 AAtomic Energy Corporation of S. Africa Limited · 1997
- Arc torch nozzle shield for plasma117US 5,132,512 AHypertherm, Inc. · 1992
- Plasma jet torch having converging anode and gas vortex in its nozzle for arc constriction110US 4,656,330 APlasma Materials, Inc. · 1987
- Integral spring consumables for plasma arc torch using blow forward contact starting system106US 5,897,795 AHypertherm, Inc. · 1999