H01J 37/32532
Electrodes
Official title: {Electrodes}
H01J37/32532 (Electrodes) appears on 2,666 US grants and 3,509 published applications in this corpus.
Search patents in H01J- Granted patents
- 2,666
- Published applications
- 3,509
- Assignees
- 830
- Inventors
- 5,918
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 8 | 0 |
| 1993 | 16 | 0 |
| 1994 | 15 | 0 |
| 1995 | 21 | 0 |
| 1996 | 16 | 0 |
| 1997 | 19 | 0 |
| 1998 | 21 | 0 |
| 1999 | 32 | 0 |
| 2000 | 37 | 0 |
| 2001 | 24 | 20 |
| 2002 | 40 | 33 |
| 2003 | 28 | 72 |
| 2004 | 36 | 65 |
| 2005 | 30 | 59 |
| 2006 | 24 | 54 |
| 2007 | 19 | 66 |
| 2008 | 28 | 88 |
| 2009 | 33 | 111 |
| 2010 | 43 | 105 |
| 2011 | 60 | 114 |
| 2012 | 72 | 95 |
| 2013 | 78 | 107 |
| 2014 | 77 | 132 |
| 2015 | 92 | 194 |
| 2016 | 136 | 195 |
| 2017 | 126 | 177 |
| 2018 | 127 | 172 |
| 2019 | 166 | 199 |
| 2020 | 178 | 228 |
| 2021 | 146 | 221 |
| 2022 | 176 | 241 |
| 2023 | 163 | 241 |
| 2024 | 181 | 199 |
| 2025 | 194 | 178 |
| 2026 | 119 | 143 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01J 37/32568Relative arrangement or disposition of electrodes1,015
- H01J 37/32541Shape692
- H01J 37/32577Electrical connecting means476
- H01J 37/3255Material281
- H01J 37/32559Protection means229
- H01J 37/32596Hollow cathodes167
- H01J 37/32614Consumable cathodes for arc discharge85
- H01J 37/32605Removable or replaceable electrodes or electrode systems49
All 9 subgroupsShow fewer
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