H04N 7/16

Analogue secrecy systems

Official title: Analogue secrecy systems; Analogue subscription systems

H04N7/16 (Analogue secrecy systems) appears on 15,040 US grants and 17,848 published applications in this corpus.

Search patents in H04N
Granted patents
15,040
Published applications
17,848
Assignees
3,061
Inventors
22,255
Latest grant
29 Sep 2026

Filings by year

H04N 7/16: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976240
1977250
1978290
1979120
1980100
1981210
1982360
1983280
1984350
1985480
1986640
1987760
1988640
1989630
1990740
1991690
1992620
19931010
1994880
19951100
19962430
19972980
19984170
19993740
20003040
2001317262
20023021210
20032901188
20043251199
20052891237
20065711468
20075041618
20085001616
20096751740
20109421461
2011961912
20121063623
20131061543
20141206582
2015871504
2016599407
2017471308
2018344211
2019303194
2020235185
2021160119
202212385
202311357
20247160
20255434
20261525

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

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