H04L 1/12

Arrangements for detecting or preventing errors in the information received: by using

Official title: by using return channel

H04L1/12 (Arrangements for detecting or preventing errors in the information received: by using) appears on 27,947 US grants and 34,691 published applications in this corpus.

Search patents in H04L
Granted patents
27,947
Published applications
34,691
Assignees
2,419
Inventors
20,646
Latest grant
6 Oct 2026

Filings by year

H04L 1/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197720
197840
197920
198020
198120
198240
198340
198470
198540
198690
1987130
1988120
1989120
1990190
1991180
1992310
1993260
1994220
1995390
1996490
1997610
1998700
1999920
20001050
200110057
2002118305
2003166415
2004163505
2005205575
2006336627
2007278644
2008360808
2009416937
20105651088
2011709967
20129481000
201311271168
201412301238
201512431504
201614041545
201713851393
201812751667
201915742110
202017852615
202119012521
202220003095
202321062737
202424592302
202521731712
202613081156

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

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