H01Q 19/021

Means for reducing undesirable effects

Official title: {Means for reducing undesirable effects}

H01Q19/021 (Means for reducing undesirable effects) appears on 285 US grants and 278 published applications in this corpus.

Search patents in H01Q
Granted patents
285
Published applications
278
Assignees
199
Inventors
642
Latest grant
4 Aug 2026

Filings by year

H01Q 19/021: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197800
197920
198010
198110
198220
198320
198400
198520
198620
198720
198820
198920
199000
199110
199240
199340
199420
199500
199610
199710
199830
199950
200020
200121
200242
200358
200466
200576
200656
200746
200844
200942
201036
201146
2012314
201356
201478
201552
2016127
201758
2018615
20191415
20201920
20211317
20221531
20233224
20243030
20251614
20261014

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

Subgroups

Granted patents