Filings by year

G01S 13/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
1977110
197870
197960
198050
198170
198290
198340
198420
1985110
1986110
198780
198890
198990
199080
1991120
1992170
199350
1994150
1995140
1996130
199780
1998160
199950
2000110
200171
20021216
20031316
2004149
20052122
20061711
20071316
200898
20091015
20101112
20111315
20121925
20131717
20142416
20152429
20162737
20172533
20182820
20192934
20203851
20213044
20224152
20233135
20244140
20253726
20262117

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