H04M 11/04

Telephonic communication systems specially adapted for combination with other electrical systems: with

Official title: with alarm systems, e.g. fire, police or burglar alarm systems

H04M11/04 (Telephonic communication systems specially adapted for combination with other electrical systems: with) appears on 1,612 US grants and 1,458 published applications in this corpus.

Search patents in H04M
Granted patents
1,612
Published applications
1,458
Assignees
693
Inventors
2,771
Latest grant
1 Sep 2026

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H04M 11/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
1977120
1978100
197950
198020
1981170
198250
198370
1984100
1985120
198650
1987160
1988110
1989140
199090
1991100
1992170
1993110
1994240
1995230
1996140
1997140
1998310
1999310
2000370
2001239
20022839
20032835
20043138
20051345
20064887
200732104
20083090
200942112
20105890
20116472
20129684
201310961
20149268
20157877
20167653
20175546
20185061
20197455
20203849
20214239
20224239
20233031
20243626
20253229
20261419

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