H04B 17/40

Monitoring: of relay systems

Official title: of relay systems

H04B17/40 (Monitoring: of relay systems) appears on 399 US grants and 357 published applications in this corpus.

Search patents in H04B
Granted patents
399
Published applications
357
Assignees
190
Inventors
599
Latest grant
8 Sep 2026

Filings by year

H04B 17/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197710
197850
197920
198070
198160
198280
198370
198470
198550
1986100
1987130
198870
198930
199030
199120
199220
199360
199420
199550
199660
199730
199810
199930
200010
200120
200213
200316
200414
200531
200605
200704
200821
200945
201014
201157
201213
201369
20141110
2015710
2016144
20171212
2018933
20191189
20201941
20212915
20225923
20232935
20241619
20252512
2026112

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents