H04N 21/40

Client devices specifically adapted for the reception of or interaction with content

Official title: Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof

H04N21/40 (Client devices specifically adapted for the reception of or interaction with content) appears on 74,040 US grants and 94,721 published applications in this corpus.

Search patents in H04N
Granted patents
74,040
Published applications
94,721
Assignees
9,995
Inventors
93,950
Latest grant
6 Oct 2026

Filings by year

H04N 21/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197770
197840
197930
198020
198180
198260
198320
198460
1985130
1986260
1987190
1988210
1989380
1990470
1991610
1992780
19931100
19941300
19952030
19963800
19974100
19985970
19996400
20006840
2001817596
20027902472
20038072433
20049492604
20058193172
200613943575
200712314010
200813164171
200917274414
201023994379
201126624114
201233494101
201337244611
201449525313
201545434933
201642584485
201742154394
201837613979
201940423833
202041313902
202137343704
202234813693
202334003609
202433153521
202530072861
202617171842

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

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