H01J 37/30

Electron-beam or ion-beam tubes for localised treatment of objects

H01J37/30 (Electron-beam or ion-beam tubes for localised treatment of objects) appears on 7,056 US grants and 6,319 published applications in this corpus.

Search patents in H01J
Granted patents
7,056
Published applications
6,319
Assignees
1,190
Inventors
8,585
Latest grant
6 Oct 2026

Filings by year

H01J 37/30: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976230
1977310
1978370
1979350
1980250
1981300
1982260
1983370
1984560
1985650
1986480
1987550
1988570
1989660
1990570
1991670
1992840
1993560
1994810
1995750
1996620
1997540
19981120
19991350
20001320
200115361
2002161193
2003215187
2004204216
2005182227
2006210258
2007135252
2008194300
2009221259
2010225258
2011208230
2012219246
2013254295
2014292319
2015282377
2016300289
2017296253
2018226232
2019269238
2020257280
2021212224
2022197225
2023197230
2024153237
2025152244
2026136189

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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