H04Q 2213/13256

Call screening

H04Q2213/13256 (Call screening) appears on 222 US grants and 87 published applications in this corpus.

Search patents in H04Q
Granted patents
222
Published applications
87
Assignees
97
Inventors
266
Latest grant
13 May 2025

Filings by year

H04Q 2213/13256: granted patents and published applications per publication year
YearGranted patentsPublished applications
198120
198200
198300
198400
198500
198610
198710
198820
198910
199060
199150
199240
199360
199490
199550
199680
1997140
1998290
1999170
2000170
2001119
20021717
20031110
2004511
200549
200633
200789
200871
200914
201045
201172
201250
201342
201420
201510
201600
201712
201821
201900
202000
202101
202200
202310
202401
202510

By publication year. Applications have been published since 2001.

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