H05H 1/42
With provisions for introducing materials into the plasma
Official title: with provisions for introducing materials into the plasma, e.g. powder or liquid {(arc stabilising or constricting arrangements H05H1/3405; coaxial protecting fluids H05H1/341)}
H05H1/42 (With provisions for introducing materials into the plasma) appears on 368 US grants and 341 published applications in this corpus.
Search patents in H05H- Granted patents
- 368
- Published applications
- 341
- Assignees
- 247
- Inventors
- 819
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 12 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 2 |
| 2003 | 2 | 5 |
| 2004 | 1 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 12 |
| 2007 | 2 | 12 |
| 2008 | 4 | 6 |
| 2009 | 5 | 9 |
| 2010 | 4 | 22 |
| 2011 | 6 | 13 |
| 2012 | 8 | 17 |
| 2013 | 14 | 16 |
| 2014 | 13 | 25 |
| 2015 | 11 | 22 |
| 2016 | 15 | 22 |
| 2017 | 24 | 20 |
| 2018 | 15 | 14 |
| 2019 | 20 | 16 |
| 2020 | 15 | 12 |
| 2021 | 15 | 17 |
| 2022 | 4 | 17 |
| 2023 | 9 | 20 |
| 2024 | 18 | 16 |
| 2025 | 15 | 8 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and device for plasma coating surfaces251US 6,800,336 B12004
- 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
- Process of depositing particulate material on a substrate119US 4,853,250 AUniversite de Sherbrooke · 1989
- Apparatus and method for applying plasma flame sprayed polymers119US 5,041,713 AMarinelon, Inc. · 1991