H04H 20/20

Arrangements for broadcast or distribution of identical information via plural systems

H04H20/20 (Arrangements for broadcast or distribution of identical information via plural systems) appears on 415 US grants and 489 published applications in this corpus.

Search patents in H04H
Granted patents
415
Published applications
489
Assignees
201
Inventors
848
Latest grant
6 Oct 2026

Filings by year

H04H 20/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
198910
199000
199100
199200
199320
199420
199560
199620
199740
199880
199980
200080
200145
2002414
2003511
2004413
2005414
20061030
2007827
2008930
20091637
20101828
20111817
20122624
20132721
20142023
20152123
20163035
20172126
20182419
20191510
20201816
20211710
20221113
20231815
202478
20251115
202685

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

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