H05H 1/3452
Supplementary electrodes between cathode and anode
Official title: {Supplementary electrodes between cathode and anode, e.g. cascade}
H05H1/3452 (Supplementary electrodes between cathode and anode) appears on 86 US grants and 51 published applications in this corpus.
Search patents in H05H- Granted patents
- 86
- Published applications
- 51
- Assignees
- 51
- Inventors
- 136
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 5 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 4 | 1 |
| 2011 | 4 | 2 |
| 2012 | 4 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 5 |
| 2015 | 4 | 2 |
| 2016 | 3 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 4 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 6 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods, and devices for generating predominantly radially expanded plasma flow10 Mar 2026US 12,575,017 B2Plasma Surgical, Inc.
- Thermal plasma treatment method for sulfur hexafluoride degradation24 Sep 2024US 12,101,868 B2Xi' An Jiaotong University
- High velocity plasma torch and method17 Sep 2024US 12,096,547 B1
- Plasma-generating device, plasma surgical device and use of a plasma surgical device27 Aug 2024US 12,075,552 B2Plasma Surgical, Inc.
- Systems, methods, and devices for generating predominantly radially expanded plasma flow6 Aug 2024US 12,058,801 B2Plasma Surgical, Inc.
- Reduced form factor plasma windows positioned in a beam accelerator system22 May 2025US 2025/0168962 A1SHINE Technologies, LLC
- Systems, methods, and devices for generating predominantly radially expanded plasma flow15 May 2025US 2025/0159791 A1Plasma Surgical, Inc.
- Systems, methods, and devices for generating predominantly radially expanded plasma flow2 May 2024US 2024/0147599 A1Plasma Surgical, Inc.
- Thermal plasma treatment method for sulfur hexafluoride degradation21 Mar 2024US 2024/0098870 A1Xi' An Jiaotong University
- Systems, methods, and devices for generating predominantly radially expanded plasma flow13 Jul 2023US 2023/0225041 A1Plasma Surgical, Inc.
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
- Plasma jet torch having converging anode and gas vortex in its nozzle for arc constriction110US 4,656,330 APlasma Materials, Inc. · 1987
- Plasma arc torch and nozzle assembly104US 4,311,897 AUnion Carbide Corporation · 1982
- Electrode for plasma arc torch and method of fabricating same90US 5,023,425 AESAB Welding Products, Inc. · 1991
- Plasma gun with adjustable cathode88US 4,780,591 AThe Perkin-Elmer Corporation · 1988