H04L 69/40

Network arrangements, protocols or services independent of the application payload and not

Official title: for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection (management of faults, events, alarms or notifications in data switching networks H04L41/06)

H04L69/40 (Network arrangements, protocols or services independent of the application payload and not) appears on 5,094 US grants and 5,319 published applications in this corpus.

Search patents in H04L
Granted patents
5,094
Published applications
5,319
Assignees
1,440
Inventors
11,413
Latest grant
6 Oct 2026

Filings by year

H04L 69/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
198710
198810
198900
199020
199150
199260
199350
1994140
1995210
1996300
1997280
1998380
1999420
2000500
20016227
200264116
200363158
200467177
200588214
2006115267
2007119246
2008161282
2009155217
2010260222
2011253206
2012234216
2013228172
2014251212
2015217245
2016222248
2017247264
2018223239
2019280255
2020329295
2021293235
2022254287
2023210187
2024213160
2025166116
20267756

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

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