H04N 7/186

Video door telephones

Official title: {Video door telephones}

H04N7/186 (Video door telephones) appears on 727 US grants and 854 published applications in this corpus.

Search patents in H04N
Granted patents
727
Published applications
854
Assignees
218
Inventors
1,067
Latest grant
8 Sep 2026

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H04N 7/186: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197810
197900
198020
198100
198210
198300
198410
198510
198600
198700
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198910
199020
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199210
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199510
199600
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200010
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200226
200349
200427
2005411
2006710
2007018
2008015
2009311
201055
201179
2012108
2013618
20141313
20153942
20163167
20175082
201854115
20197566
20209584
20218053
20227765
20234335
20244148
20253841
20261515

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

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