H05H 1/38
Guiding or centering of electrodes
H05H1/38 (Guiding or centering of electrodes) appears on 61 US grants and 47 published applications in this corpus.
Search patents in H05H- Granted patents
- 61
- Published applications
- 47
- Assignees
- 29
- Inventors
- 111
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 4 |
| 2015 | 0 | 3 |
| 2016 | 4 | 3 |
| 2017 | 6 | 10 |
| 2018 | 3 | 3 |
| 2019 | 3 | 2 |
| 2020 | 7 | 4 |
| 2021 | 4 | 4 |
| 2022 | 0 | 1 |
| 2023 | 3 | 3 |
| 2024 | 2 | 5 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plasma processing apparatus12 May 2026US 12,626,891 B2DAIHEN Corporation
- Jacket for a cartridge of a liquid-cooled plasma arc torch21 Oct 2025US 12,447,548 B2Hypertherm, Inc.
- Cathode seated liquid coolant tube for a plasma arc cutting system21 May 2024US 11,986,900 B2Hypertherm, Inc.
- Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member9 Apr 2024US 11,951,549 B2Tekna Plasma Systems Inc.
- Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member2 May 2023US 11,638,958 B2Tekna Plasma Systems Inc.
- Jacket for a cartridge of a liquid-cooled plasma arc torch15 Jan 2026US 2026/0014637 A1Hypertherm, Inc.
- Welding torch8 May 2025US 2025/0144733 A1DAIHEN Corporation
- Plasma processing apparatus26 Dec 2024US 2024/0429029 A1DAIHEN Corporation
- Cathode seated liquid coolant tube for a plasma arc cutting system24 Oct 2024US 2024/0351129 A1Hypertherm, Inc.
- Electrodes for a plasma arc processing system11 Jul 2024US 2024/0237184 A9Hypertherm, Inc.
Most cited
By later US patents
- Apparatus and process for cooling a plasma arc electrode92US 4,902,871 AHypertherm, Inc. · 1990
- Apparatus and method for improved assembly concentricity in a plasma arc torch77US 5,841,095 AHypertherm, Inc. · 1998
- Plasma cleaning device73US 4,088,926 A1978
- Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member40US 9,718,131 B2Tekna Plasma Systems Inc. · 2017
- Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member36US 9,751,129 B2Tekna Plasma Systems Inc. · 2017