H05H 1/34
Details
Official title: Details, e.g. electrodes, nozzles
H05H1/34 (Details) appears on 1,354 US grants and 1,063 published applications in this corpus.
Search patents in H05H- Granted patents
- 1,354
- Published applications
- 1,063
- Assignees
- 529
- Inventors
- 2,083
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 17 | 0 |
| 1978 | 15 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 24 | 0 |
| 1987 | 34 | 0 |
| 1988 | 22 | 0 |
| 1989 | 21 | 0 |
| 1990 | 26 | 0 |
| 1991 | 15 | 0 |
| 1992 | 23 | 0 |
| 1993 | 38 | 0 |
| 1994 | 26 | 0 |
| 1995 | 22 | 0 |
| 1996 | 16 | 0 |
| 1997 | 26 | 0 |
| 1998 | 30 | 0 |
| 1999 | 31 | 0 |
| 2000 | 30 | 0 |
| 2001 | 29 | 6 |
| 2002 | 20 | 17 |
| 2003 | 17 | 24 |
| 2004 | 23 | 37 |
| 2005 | 30 | 34 |
| 2006 | 31 | 35 |
| 2007 | 11 | 31 |
| 2008 | 18 | 37 |
| 2009 | 16 | 35 |
| 2010 | 19 | 29 |
| 2011 | 17 | 36 |
| 2012 | 32 | 50 |
| 2013 | 39 | 38 |
| 2014 | 51 | 55 |
| 2015 | 49 | 90 |
| 2016 | 56 | 54 |
| 2017 | 66 | 67 |
| 2018 | 39 | 54 |
| 2019 | 49 | 44 |
| 2020 | 63 | 57 |
| 2021 | 35 | 53 |
| 2022 | 34 | 39 |
| 2023 | 29 | 41 |
| 2024 | 43 | 37 |
| 2025 | 31 | 31 |
| 2026 | 25 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05H 1/36Circuit arrangements279
- H05H 1/3478Geometrical details268
- H05H 1/3468Vortex generators205
- H05H 1/3442Cathodes with inserted tip194
- H05H 1/3436Hollow cathodes with internal coolant flow165
- H05H 1/3457Nozzle protection devices159
- H05H 1/3405Arrangements for stabilising or constricting the arc135
- H05H 1/3421Transferred arc or pilot arc mode135
All 21 subgroupsShow fewer
- H05H 1/3489Means for contact starting133
- H05H 1/3494Means for controlling discharge parameters120
- H05H 1/3484Convergent-divergent nozzles107
- H05H 1/3423Connecting means92
- H05H 1/3473Safety means92
- H05H 1/3452Supplementary electrodes between cathode and anode86
- H05H 1/40Using applied magnetic fields70
- H05H 1/3431Coaxial cylindrical electrodes69
- H05H 1/341Arrangements for providing coaxial protecting fluids65
- H05H 1/38Guiding or centering of electrodes61
- H05H 1/3463Oblique nozzles34
- H05H 1/3447Rod-like cathodes14
- H05H 1/3425Melting or consuming electrodes13
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