H05H 1/341
Arrangements for providing coaxial protecting fluids
Official title: {Arrangements for providing coaxial protecting fluids}
H05H1/341 (Arrangements for providing coaxial protecting fluids) appears on 65 US grants and 42 published applications in this corpus.
Search patents in H05H- Granted patents
- 65
- Published applications
- 42
- Assignees
- 45
- Inventors
- 120
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 5 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 4 | 1 |
| 2017 | 0 | 2 |
| 2018 | 4 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 4 |
| 2022 | 0 | 4 |
| 2023 | 1 | 1 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for operating a plasma torch17 Feb 2026US 12,557,205 B2The ESAB Group, Inc.
- Systems and methods for generating plasma shields4 Feb 2025US 12,214,443 B2Saudi Arabian Oil Company
- Plasma-generating device, plasma surgical device and use of a plasma surgical device27 Aug 2024US 12,075,552 B2Plasma Surgical, Inc.
- Systems and methods for generating plasma shields26 Mar 2024US 11,938,564 B2Saudi Arabian Oil Company
- Plasma arc torch and cutting system30 Jan 2024US 11,889,611 B2Lincoln Global.Inc.
- Methods for operating a plasma torch11 Jun 2026US 2026/0164529 A1The ESAB Group, Inc.
- Welding torch8 May 2025US 2025/0144733 A1DAIHEN Corporation
- Systems and methods for generating plasma shields11 Jul 2024US 2024/0227076 A1Saudi Arabian Oil Company
- Methods for operating a plasma torch3 Aug 2023US 2023/0247752 A1The ESAB Group, Inc.
- Plasma arc torch consumable holder1 Dec 2022US 2022/0386445 A1
Most cited
By later US patents
- Arc torch nozzle shield for plasma117US 5,132,512 AHypertherm, Inc. · 1992
- Plasma arc cutting process and apparatus using an oxygen-rich gas shield104US 5,695,662 AHypertherm, Inc. · 1997
- Plasma arc cutting process and apparatus using an oxygen-rich gas shield65US 5,396,043 AHypertherm, Inc. · 1995
- Nozzle shield for a plasma arc torch64US 4,861,962 AHypertherm, Inc. · 1989
- Plasma arc torch tip providing a substantially columnar shield flow64US 6,207,923 B1Hypertherm, Inc. · 2001