H01J 41/04

With ionisation by means of thermionic cathodes

Official title: with ionisation by means of thermionic cathodes

H01J41/04 (With ionisation by means of thermionic cathodes) appears on 48 US grants and 26 published applications in this corpus.

Search patents in H01J
Granted patents
48
Published applications
26
Assignees
20
Inventors
62
Latest grant
24 Sep 2024

Filings by year

H01J 41/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198120
198200
198300
198400
198500
198600
198710
198810
198900
199000
199100
199210
199320
199430
199510
199600
199720
199800
199900
200020
200120
200210
200300
200400
200501
200612
200711
200833
200902
201030
201100
201200
201300
201401
201501
201610
201712
201821
201970
202025
202110
202210
202324
202441
202500
202602

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

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