H01J 2237/30

Electron or ion beam tubes for processing objects

H01J2237/30 (Electron or ion beam tubes for processing objects) appears on 5,128 US grants and 4,758 published applications in this corpus.

Search patents in H01J
Granted patents
5,128
Published applications
4,758
Assignees
958
Inventors
6,854
Latest grant
29 Sep 2026

Filings by year

H01J 2237/30: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197820
197930
198010
198160
198270
198310
198490
1985130
1986110
1987170
1988100
1989160
1990130
1991190
1992540
1993470
1994520
1995590
1996660
1997620
19981090
19991320
20001300
200115153
2002141189
2003188170
2004177214
2005161217
2006186245
2007133218
2008189235
2009181188
2010189157
2011134153
2012167199
2013159208
2014215209
2015194270
2016220212
2017232199
2018167151
2019193182
2020190194
2021140146
2022127149
2023129173
2024121164
2025122142
202680121

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

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