Filings by year

G01F 3/221: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198110
198200
198310
198400
198500
198600
198700
198810
198900
199000
199100
199200
199300
199400
199500
199600
199710
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201002
201110
201200
201310
201400
201500
201600
201701
201800
201913
202012
202102
202220
202310
202401
202500
202610

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

Recent patents

Most cited

By later US patents