H04H 20/22

Arrangements for broadcast of identical information via plural broadcast systems

H04H20/22 (Arrangements for broadcast of identical information via plural broadcast systems) appears on 240 US grants and 242 published applications in this corpus.

Search patents in H04H
Granted patents
240
Published applications
242
Assignees
131
Inventors
486
Latest grant
6 Jan 2026

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H04H 20/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
198910
199000
199100
199200
199320
199420
199560
199620
199730
199870
199970
200050
200132
200237
200345
200438
200536
2006515
2007516
2008618
20091221
20101215
20111010
20121414
2013169
2014139
20151313
20161819
20171210
20181111
201993
2020106
202171
202224
202397
202413
202538
202612

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

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