H01J 9/247

Specially adapted for gas-discharge lamps

Official title: {specially adapted for gas-discharge lamps}

H01J9/247 (Specially adapted for gas-discharge lamps) appears on 339 US grants and 325 published applications in this corpus.

Search patents in H01J
Granted patents
339
Published applications
325
Assignees
137
Inventors
780
Latest grant
6 Oct 2026

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H01J 9/247: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197730
197830
197910
198030
198100
198240
198340
198430
198540
198640
198740
198840
198970
199060
199150
199240
199330
199450
199510
199630
199730
199880
199990
200040
200124
2002818
20031928
20042333
20051749
20062548
20072338
20082126
20091914
20101812
2011147
2012126
201352
2014512
201547
201644
201741
201846
201996
202023
202110
202201
202300
202410
202500
202610

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